Radar is an elemental tool of navigation, showing real-time events and entities in the surrounding area. There are specific icons which represent objects on the terrain:
White square - Bases and stations where you can dock
White triangle - Teleport stations
Blue rhombus - You
Red circle - Non-player character
Green circle - Agent in your corporation
Yellow circle - Agent in your squad
Blue circle - Agent in your conglomerate
White circle - Other player not affiliated with you in any way
Blue circles - Police protected area
Red circles - Designated area of your active assignments
Thin white circle - around your icon - A marking circle which helps you to constantly display a distance from your robot.
These three marking circles can be enabled and disabled at any time after right-clicking on the radar screen.