One standout feature in is Smart Dimensioning . This feature overhauled the legacy DIM command to be significantly more intuitive. Instead of selecting specific dimension tools for every task, you can now:

If you place a new dimension over an existing one, the software automatically offers options to move, break, or replace the overlapping text. AutoCAD 2016: Top 10 New Features - The CAD Masters

The tool automatically determines the appropriate measurement type (linear, radial, or angular) based on the geometry you select.