Other
- Candlestick chart, (e.g. for stock trends)
- Carbondale (Amtrak station), Illinois, United States; Amtrak station code CDL
- Chief of Defence Logistics, formerly a senior appointment in the British Armed Forces
- Choreography Description Language
- Cologne Dance Label, a sub label of record company EMI Germany, defunct since 1998
- Commercial driver's license (in the United States)
- Container deposit legislation
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