What is the purpose of the "TRIM" command in AutoCAD?

The purpose of the "TRIM" command in AutoCAD is to cut edges of objects to meet the edges of other objects. This functionality is essential when designing because it allows you to modify and refine the shapes and boundaries of your drawings by removing unnecessary parts of objects. When you use the TRIM command, you select the edges that you want to be trimmed away, and then it dynamically adjusts the shapes based on the boundaries you specify.

This command is particularly useful in drafting as it helps maintain clean and precise lines, ensuring that objects fit together properly without overlaps. It streamlines the editing process by enabling users to focus on the design details without needing to redraw elements or remove portions manually.

The other options serve entirely different functions — rotating changes the angle of objects, changing the color modifies the visual aspect of layers for better differentiation, and mirroring creates a flip of objects instead of adjusting their edges. Each of these commands has its distinct purpose in AutoCAD and does not relate to the trimming action that is central to the TRIM command.