d. [Computer and Information Sciences] 
n., Data describing context, content and structure of records and their management through time. [Archives] 
n., [diplomatics] An extrinsic element of documentary form that comprises the material carrying the message of a document. [Archives] 
n., The physical material or substance upon which information can be or is recorded or stored. [Archives] 
n., In information storage and retrieval, the physical substance or material on which data is recorded (parchment, paper,