3D AutoCAD 2004/2005: One Step at a Time
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Familiarize yourself with the following chart to help you know when to use Groups and when to use Blocks.
| Ability | Blocks | Groups |
|---|---|---|
| Can be shared between drawings | Yes | No |
| You can work on objects within the block/group | Yes | Yes |
| Can be treated as a single object | Yes | Yes |
| Can carry information (data) | Yes | No |
| Retrievable after erasure (without the Undo command) | Yes | No |
| May contain (other) blocks | Yes | Yes |
| May contain (other) groups | No | Yes |
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