You can create a group by selecting elements in a project view, or you can use the group editor. In the group editor, you can
- Add elements from the project view
- Place additional elements in the view, which are then automatically added to the group
- Remove elements
- Create attached detail groups (for model groups)
- View group properties
You can also create groups from linked Revit models, or you can duplicate and modify an existing group. See Converting Groups and Linked Models and Duplicating Group Types.
Note: You cannot group dimensions, tags, or keynotes without also grouping the elements that they reference. You can group them in an attached detail group for the model group they reference.