Dimension Boxes are displayed in Add Component and Add From Catalog, when using the Place on Face - By Points option. They appear whenever a point is picked to locate the position of an added component and signify the XY coordinates from the active UCS of the selected face.
Use the XY values to relocate the added component.
The display of these Dimension Boxes can be controlled as follows:
Press the Hide button to hide a Dimension Box.
The Dimension Box is hidden while the component is still displayed.
Press the Show Dim. Boxes option to display hidden Dimension Boxes.
All previously hidden Dimension Boxes are displayed.
Press the Delete button to delete a Dimension Box as well as the specific occurrence of the added component.
The Dimension Box and the specific occurrence of the added component are deleted. These cannot be re-displayed using the Show Dim. Boxes option.
