There is a Dimensions_fields_(version) file which contains all information on the tables and fields in your current version of Dimensions. This file can be accessed in the below location if your Dimensions install is a local one;
C:\Program Files (x86)\Access Applications\Dimensions\Accounts\(version)\Extras
If your Dimensions install is on a server, the location would be \\(server location)\Dimensions\Accounts\(version)\Extras
