Dr. AIT ISE Web Technology MODEL PAPER SOLVED, Dr. Ambedkar Institute of Technology Define document type definition? Describe the approach of element declaration in DTD. A DTD is a set of structural rules called declarations. These rules specify a set of elements, along with how and where they can appear in a document <!keyword … > There are four possible declaration keywords: ELEMENT, ATTLIST, ENTITY, and NOTATION <!ELEMENT element_name(list of child names)> e.g.,…