Entered


1) Entered is sent by a sector when a thing enters it.


SenderThe sector that was entered.
SourceThe thing that entered it.

Sender TypeSector (5).
Source TypeThing (3).

2) Entered is also sent by a surface or thing when something is attached to it.


SenderThe surface or thing that something was attached to.
SourceThe thing that was attached.

Sender TypeThing (3) or Surface (6).
Source TypeThing (3).