rough time. [Archives] 
n., Information about a publication as opposed to the content of the publication; includes not only bibliographic description but
also other relevant information such as its subject, price, conditions of use, etc. [Arts] 
n., Data about data. In data processing, meta-data is definitional data that provides information about or documentation of other
data managed within an application or environment. [Computer and Information Sciences] n., Data describing or documenting the management