What are the names and functions of the five MIB text files?

What are the names and functions of the five MIB text files?

Textual Conventions MIB which contains Canopy specific textual conventions.
Registrations MIB which contains registrations for global Canopy related items such as the identity of products, product components, and other MIB related items.
Box MIB contains Canopy box or module level MIB definitions.
AP’s MIB contains Canopy Access Point and Backhaul timing master specific MIB definitions.
SM MIB contains Canopy SM and backhaul timing slave specific MIB definitions.