What does a profile name indicate?

SURFACE –
LED profile collection name
10 –
maximum width of the place where LED source can be adhered
example: 10 mm
BC –
Marking of covers fitting the sockets in the profile (orange)
example: slid-in B cover, click C cover; lens C cover
UX –
Marking of holders fitting the profile (green)
example: springy U holder, X holder