The below connector diagram shows colours used in the Pin Linking page, and what they represent. There are ten colours:
Empty, non linked pin.
This represents a core (or cores when using Autolink), which is selected for linking.
Represents a core (or cores when using Autolink), which is selected for linking, and already has another link to that core.
Represents a successfully linked core for the current wire.
Represents a successfully linked core.
Represents a pin which is linked to another path. It is important for example to calculate what area is available if more wires need to be connected to this pin.
Represents a linked pin which has been clicked and is about to be unlinked.Red - Represents a looped back link in that connector.
Represents a pin linked to the cable screening.
Represents a pin linked to the cable screening on another path.