Entities in DXF drawings can have properties such as layers, color, line type, and thickness. These properties allow drawings to organize and visually distinguish different types of elements.

Example: Entity with properties

0
LINE
8
Walls
62
1
10
0.0
20
0.0
11
100.0
21
0.0

Here the line belongs to the Walls layer and has a color defined by the group code.