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5.1.1 File Section
The File Section defines the structure of data files. The File Section must begin with the header FILE SECTION, followed by a separator period.
file-description-entry
Represents the highest level of organization in the File Section. It provides information about the physical structure and identification of a file, and gives the record-name(s) associated with that file. For the format and the clauses required in a file description entry, see "Data Division--File Description Entries" in topic 5.2.
record-description-entry
A set of data description entries (described in "Data Division--Data Description Entry" in topic 5.3) that describe the particular record(s) contained within a particular file.
More than one record description entry can be specified; each is an alternative description of the same record storage area.
Data areas described in the File Section are not available for processing unless the file containing the data area is open.

X Note: A method File Section can define EXTERNAL files only. A single
X run-unit level file connector is shared by all programs and methods
X containing a declaration of a given EXTERNAL file.

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