The Properties palette provides quick access to component and line data.
In the Properties palette, you can change the data of an object (such as a pipe specification, an insulation type or thickness, and so on). The Properties palette also allows access to the Assign Tag dialog box, where you can alter tag information.
Some of the ways you can access the Properties palette include:
When you double-click an annotation, the Edit Annotations dialog box is displayed instead of the Properties palette.
For more information about the Properties palette, see “Display and Change the Properties of Objects” in the AutoCAD Help system.