Proper noun
(copyright law) Initialism of Free Documentation License.
Synonym: GFDL
Initialism of File Definition Language (“a VMS language used for describing files”).
Source: en.wiktionary.orgFDL Broadway Development LLC to VT Larney Ltd., 401 Iowa, Girard, OH 44420, $258,404. Source: Internet
I eventually ended up over at FDL. Source: Internet