What does dik stand for?

drug-identifcation kit (SAUS)

Double - or Dual Income, Kids - Lifestyle classification

Dickinson - North Dakota - Airport symbol - Obsolete (OAG)

Dikar - NCIC firearms make code (NCIC)

Direct Input Keyboard (SAUS)

Dixon - Former USSR - Geomagnetic observatory code

Drug Identification Kit

Southwestern Dinka - Language symbol (ETLW)

Speed Enterprises, Newport Beach, CA - Manufacturer code for watercraft hull identification number (USCG)