laddr
Local IP address, an address on a higher security level interface
gaddr
Global IP address, an address on a lower security level interface
faddr
Foreign IP address, an address of a host typically on a lower security level interface in a network beyond the outside router.
The reference is a little old:
http://www.cisco.com/en/US/docs/security/pix/pix44/system/message/pixemint.html#wpxref31944
In newer code, the terminology is a little different (or expanded):
http://www.cisco.com/en/US/docs/security/asa/asa72/system/message/logconf.html#wp1068305
Regards
Farrukh