SAP Note 16765 - Table structures in FI-GLX or FI-SL

Symptom:

Description of table structures in FI-GLX and/or FI-SL

Solution
To find description, call up transaction GCU0 and select the
menu option help -> Extended help.
Having done this, select the following points:
FI-SL-Basic settings -> Spec. Purpose Ledger - Overview ->
FI-SL-Configuration -> FI-SL-Database tables