Data

General
Data is

"a representation of information, knowledge, facts, concepts, computer software, computer programs or instructions. Data may be in any form, in storage media, or as stored in the memory of the computer or in transit or presented on a display device."

"[f]actual information, especially information organized for analysis or used to reason or make decisions. In Computer Science, numerical or other information represented in a form suitable for processing by computer."

Data is "[i]nert symbols, signs, or measures."

Military
Data is a

"representation of facts, concepts, or instructions in a formalized manner suitable for communication, interpretation, or processing by humans or by automatic means. Any representations such as characters or analog quantities to which meaning is or might be assigned."