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A model, such as a drawing file or design file. |
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A layer or level. |
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A group, such as a block definition from AutoCAD or cell definition from MicroStation. |
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An instanced group, such as an inserted block from AutoCAD or cell from MicroStation. If in the imported file the instance was unnamed, Autodesk Navisworks names the instance to match its child's name. |
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An item of geometry, such as a polygon. |
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An instanced item of geometry, such as an instance from 3D Studio. |
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A composite object. A single CAD object that is represented in Autodesk Navisworks by a group of geometry items. |
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A collection. It is an arbitrary collection of 'real-world' items or series of objects within a Revit model. This may include Revit families and types or a complex, aggregate object like an assembly. |