Logical organization of data (elements, fields). Also known as data schema.

A group of elements given one name and hold more that one value. The elements could be of the same or of different types.

(IEEE) A physical or logical relationship among data elements, designed to support specific data manipulation functions.

a logical arrangement of the data that enables efficient storage and manipulation of those data

a named data item that consists of logically-related variables, called members

organization of data, particularly the reference linkages among data elements.

One or more data elements in a particular relationship, usually used to describe some entity.

A logical relationship among data elements that is designed to support specific data manipulation functions.

C programming term for a data element consisting of fields, where each field may have a different type definition and length. The elements of a data structure usually share a common purpose or functionality, rather than being similar in size, type, etc.