AutoCAD Vocabulary
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layers
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Components of the AutoCAD overlay system that allow you to separate objects into logical groups for formatting and display purposes.
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line conventions
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Standards related to line thickness, type, and purpose.
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Object Line
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Show the visible contour or outline of objects.
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Hidden Line
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Represent features hidden in view.
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Center Line
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Identify centers and axes of circular features and line of symmetry for symmetrical objects.
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Symmetry Line
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Identify lines of symmetry for symmetrical objects.
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Section Line
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In a section view, show where material has been cut away.
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Phantom Line
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Identify repetitive details, show alternate positions of moving parts, and locate adjacent positions of related parts.
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Chain Line
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Indicate special features or unique treatment for a surface.
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Extension Line
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Show the extent of a dimension.
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Dimension Line
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Show the distance being measured.
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Leader Line
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Connect a specific note to a feature on a drawing.
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Cutting-Plane Line
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Identify the location and viewing direction of a section view.
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Viewing-Plane Line
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Identify the location and viewing direction of a removed view.
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Break Line
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Show where a portion of an object has been removed for clarity or convenience.
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Stitch Line
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Identify the location of a stitching or sewing process.
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Overlay System
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A system of separating drawing components by layer.
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purge
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To remove unused items, such as block definitions and layers, from the drawing.
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current layer
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The active layer. Whatever you draw is placed on the current layer.
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absolute value
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In property settings, a value set directly instead of referenced by layer or by block. A(n) _______ _______ overrides the corresponding layer settings.
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linetype scale
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The lengths of dashes and spaces in linetypes.
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global linetype scale
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A linetype scale applied to every linetype in the current drawing.
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lineweight
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The assigned width of lines for display and plotting.
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layer filters
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Settings that screen out, or filter, layers you do not want to display in the first view pane of the Layer Properties Manager.
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layer state
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A saved setting, or state, of layer properties for all layers in the drawing.
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drawing content
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All of the objects, settings, and other components that make up a drawing.
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annotation
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Textual information presented in notes, specifications, comments, and symbols.
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text
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Lettering on a CADD drawing.
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font
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The face design of a letter or number.
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composition
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The spacing, layout, and appearance of text.
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text height
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The specified height of text, which may be different from the plotting size for text scaled manually.
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scale factor
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The reciprocal of the drawing scale.
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paper text height
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The plotted text height
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annotative text
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Text scaled by AutoCAD according to the specified annotation scale.
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annotation scale
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The drawing scale AutoCAD uses to calculate the height of annotative text.
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Text Style
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A saved collection of settings for text height, width, oblique angle (slant), and other text effects.
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Scalable Fonts
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Fonts that can be displayed or printed at any size while retaining proportional letter thickness.
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Big Font
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A supplement that provides Asian and other large format fonts that have characters and symbols not present in other font files.
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Text Boundary
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An imaginary box that sets the location and width for multiline text.
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Text Editor
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The area of multiline or single-line text system where you type text.
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Tolerance Stack
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Text stacked vertically without a fraction bar.
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Non-Breaking Space
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A symbol you that you insert in place of a space to keep separate words together on one line.
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Background Mask
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A mask that hides a portion of objects behind and around text so that the text is unobstructed.
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Justify
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Align the margins or edges of text.
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Paragraph Alignment
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The alignment of multiline text inside the text boundary.
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Line Spacing
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The vertical distance from the bottom of one line of text to the bottom of the next line.
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Dynamic Columns
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Columns calculated automatically by AutoCAD according to the amount of text and the specified height and width of the columns.
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Static Columns
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Columns in which you divide the text in a specified number of columns.
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Gutter
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The space between columns of text.
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Dimension
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A description of the size, shape, or location of features on an object or structure.
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Unidirectional Dimensioning
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A dimensioning system in which dimension values align with dimension lines.
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Size Dimensions
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Dimensions that provide the size of physical features.
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Feature
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Any physical portion of a part or object, such as a surface, hole, window, or door.
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Location Dimensions
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Dimensions that locate features on an object without specifying the size of the feature.
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Rectangular Coordinate System
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A system for locating dimensions from surfaces, centerlines, or center planes using linear dimensions.
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Polar Coordinate System
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A coordinate system in which angular dimensions locate features from surfaces, centerlines, or center planes.
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Specific Notes
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Notes that relate to individual or particular features on a drawing.
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General Notes
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Notes that apply to the entire drawing.
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Dimension Style
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A saved configuration of dimension appearance settings.
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Dimension Variables
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System variables that store the values of dimension style settings.
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Basic Dimension
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A theoretically perfect dimension used to describe the exact size, profile, orientation, and location of a feature.
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Fit Format
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The arrangement of dimension text and arrowheads on a drawing.
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Prefix
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A special note or application placed before the dimension value.
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Suffix
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A special note or application placed after the dimension value.
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Sub-Units
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Unit smaller than the primary unit format.
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Alternate Units
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Dimensions in which measurements in one system are followed by bracketed measurements in another system.
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Override
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A temporary change to the current style settings; the process of changing a current style temporarily.
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Child
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A style override.
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Parent
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The dimension style from which a style override is formed.
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Model
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A 2D or 3D drawing composed of various objects such as lines, circles, and text usually created at full size.
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Model Space
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The environment in AutoCAD in which you create drawings and designs.
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Layout
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A specific arrangement of views or drawings for plotting or printing on paper; to be used in Paper Space to prepare the final drawing for plotting.
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Paper Space
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The environment in AutoCAD in which you create layouts.
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Floating Viewport
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A viewport added to a layout in paper space to display objects drawn in model space.
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Margin
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The extent of a printable area; objects draw past the ______ (dashed lines) do not print.
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Page Setup
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A saved collection of settings required to create a finished plot of a drawing.
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Plot Device
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The printer, plotter, or alternative plotting system to which the drawing is sent.
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Configured
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Installed and ready to use.
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Exporting
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Transferring electronic data from a database, such as a drawing file, to a different format used by another program.
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Sheet Size
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The size of the paper used to lay out and plot drawings.
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Drawing Scale
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The ratio between the actual size of objects in the drawing and the size at which the objects plot on a sheet of paper.
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Plot Styles
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Configurations of properties, including color, linetype, lineweight, line and treatment, and fill style, that are applied to objects for plotting purposes only.
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Plot Style Table
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A configuration, saved as a separate file, that groups plot styles and provides complete control over plot style settings.
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Color-Dependent Plot Style Table
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A file that contains plot style settings used to assign plot values to object colors.
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Named Plot Style Table
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A file that contains plot style settings used to assign plot values to objects or layers.
