A MUD (/ˈmʌd/; originally Multi-User Dungeon, with later variants Multi-User Dimension and Multi-User Domain), is a multiplayer real-time virtual world, usually text-based.
CDL is the abbreviation of:
Container deposit legislation (CDL) also known as a Container Deposit Scheme (CDS) is in place in the Australian state of South Australia and the territory of the Northern Territory, and was used in the state of Victoria many years ago but was rescinded.
The CDLSE (Clearance Divers' Life Support Equipment) is made by Divex in Aberdeen, Scotland. It is an electronic closed circuit rebreather designed to be silent and non-magnetic.
The Committee for the Defense of Legitimate Rights (CDLR; Arabic: لجنة الدفاع عن الحقوق الشرعية) was a Saudi dissident group created in 1993 which opposed the Saudi government as un-Islamic.
Compiler Description Language, or CDL, is a programming language based on affix grammars. It is very similar to Backus–Naur form (BNF) notation.
Commercial driver's license training (or CDL training) is a specialized instructional program or course designed to prepare a student to obtain a commercial driver's license (CDL), which is required for a career as a truck driver in the United States.
Continual Digital Lossless Audio (CDLA) is a digital audio transfer standard.