employs specific concepts to facilitate drawing creation, editing and viewing:
Entities
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: Various types of entities that can be drawn.
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Objects
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: Information holders for easy access to stored data.
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Snap Point Settings
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: Ability to direct cursor to various points on an entity.
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Entity Grip Points
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: Each entity has one or more manipulation or grip points associated with it which allow the user to change visual properties of the entity.
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Grid
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: Display of equidistant points along X and Y axis for ease of drafting.
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Drawing Settings
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: Background color of drawing screen, Units, etc. settings for active drawing.
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Data Types and Properties
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: Various types of information commonly used in drawings.
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Property Trees
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: Collection of properties displayed in tree structure.
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Tools
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provides a number of ways to easily create/edit/delete/manage all entities, objects, and their properties.
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Toolbars
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: Collection of tools.
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Dialogs
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: Collection of various user interfaces to get done various complex tasks easily.
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Undo/Redo
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: Process to remove or reinstate last change made in drawing.
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