Covering trim

This one goes for intersection between wall and ceiling, also to go to the top of a bath, or for this, on top of a shower tray, and finally the intersection of walls and floor.

End cap or J trim

This one is great for going on top of, and you can also use it to go around the intersection of the wall, floor wall, and other uses:

1) like the inside edge of a window.

2) On top of the bath

Internal Corner trim

 As its name suggests, going to the internal corner of the walls.

An angle trim

This is used to go on the corner of a wall, and it can also be used for boxing in sections.

External trim

This one can be used to come on external corners of walls. As a hide trim, this is good for connecting panels end to end for long runs.