In Paste mode, a preview image of the elements displays in the drawing area, similar to the following. Temporary dimensions and witness lines display to help position the elements.
The pasted elements appear in the drawing area. They are selected so that you can adjust them if needed.
While the elements are selected, you can modify them as desired. Depending on the type of elements being pasted, you may be able to use the Move, Rotate, and Mirror tools.
You can also use tools on the Modify | <Element> tab. The available options depend on the pasted elements. For example, for building components (such as windows), you can use the Pick Host or Edit Family tools. For other types of elements, you can use the Activate Dimensions (on the Options Bar) or Edit Pasted Elements tools.
If you want to quit Paste mode, discarding the pasted elements, click (Cancel) on the Modify | <Elements> tab.