A record description entry describes the name, size, and format of a COBOL logical record or data item.
General Format
{ data-description-entry } ...
Syntax Rules
1. The first data description entry of a record must have a level-number of 01 or 77 and start in Area A.
General Rules
1. Any data description entry which is not further subdivided is called an elementary item. A record itself may consist of an elementary item consisting of a single level 01 data description entry. A non-elementary entry is called a group item.
2. An elementary data item that is not part of a larger record must have a level-number of 01 or 77.
3. A group item that is not part of an enclosing group item must have a level-number of 01.
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