See also View grab points, Move a grab point
What are grab points?
Grab points represent the:
- vector end points,
- circle center points,
- circle 12 o-clock points,
- arc mid points,
- text origin points.
Below shows an example image with and without grab points turned on.
You will see that grab points are represented by small squares.

A raster image without grab points turned on

A raster image with grab points turned on