This file defines how the credits window is shown and also texts with associated pictures (for ToB only).
In BG2EE we have:

2DA V1.0
*credi_01
           0            1           2          3        4        5         6        7        8        9        10        11    
SWITCH     DEFAULT      DEFAULT     DEFAULT    DEFAULT  DEFAULT  DEFAULT   DEFAULT  DEFAULT  DEFAULT  DEFAULT  DEFAULT   DEFAULT
DEFAULT    73980        73980       0          0        0        0         0        0        0        0        0         0
BMP        credi_02     credi_03    credi_04   credi_05 credi_06 credi_07  credi_08 credi_09 credi_10 credi_11 credi_12  credi_01

Where:
first name after asterisk is the name of BMP resource used at start of credits window
DEFAULT row contains of references to Dialog.tlk with credits contents.
And BMP row contains of references to BMP files shown in credits window.