noun: Initialism of direct inward dialing. [The ability to make an external telephone call to an internal extension within an organization.]
noun: (psychiatry) Initialism of dissociative identity disorder. [(psychiatry) A mental disorder characterized by the presence of two or more personality states or distinct identities that repeatedly take control of a person's behavior.]
noun: Initialism of damsel in distress. [A young woman perceived as being helpless in a dangerous situation and requiring rescue.]
noun: (filmmaking, special effects) Initialism of digital input device.