Go back to basics!
First of all, search Google with keywords BRIM and Hybris.
Learn what is SAP CRM, SAP CC, SAP CI, SAP RMCA and how it is integrated in BRIM aka Hybris Billing, just basics.
Than try to search just for one of those application, just basic list (for example master data) of tables.
Than you can return here and apologize for asking this question.
Cheers,
Mario
[edit]
Let me rephrase my answer:
This is count just for ERP tables (SAP CI and RMCA)
