Help me understand track, pattern, sound, etc

Hey folks

I want to make sure I have this right.

When I do Func+Clear when in Grid Recording mode I get a “Clear Track” message. All this appears to do is remove trigs from the track. However a track can also contain a Sound but that must be cleared from the Sound menu. A Pattern is aware of all the trigs in all the tracks.

Do “tracks” contain anything else but the trigs? When I do a “Clear Track” the volume is not reset so that probably comes with the Sound?

It’s a bit unclear what owns what.