ntent and structure, and may include context. [General Dictionaries] 
n., (DTD) A formal specification that contains or points to the syntactic rules according to which an SGML-compliant document can be composed. [Computer and Information Sciences] 
n., (DTD) The definition of a document type in SGML or XML, consisting of a set of mark-up tags and their interpretation. [Computer and Information Sciences] 
documentary form 
n.,
 The archival fonds to which a record belongs, and its internal structure. [Archi