File Section The file description entry (FD) represents the highest level of organization in the File Section. The FILE SECTION header
is followed by a file description entry consisting of a level indicator (FD), a file-name and a series of independent clauses.
The clauses in the file description entry specify the size of the logical and physical records, the external name of the file,
and the names of the data records which comprise the file. The entry itself is terminated by a period.
Working-Storage Section The Working-Storage Section is composed of the section header, followed by data description entries for noncontiguous data
items and/or record description entries. The syntax of data description entries is defined in the topic File Description Entry
Thread-Local-Storage Section The Thread-Local-Storage Section describes data which is unique to each thread, and is persistent across calls. The VALUE
clause can be used to provide initial values for this data. The syntax of data description entries is defined in the topic
File Description Entry Skeleton.
Object-Storage Section The Object-Storage Section is an optional section of the Data Division that enables you to declare class object data and instance
Local-Storage Section A separate copy of the Local-Storage Section is created each time the runtime element is activated and exists only during
the lifetime of that activation. The Local-Storage Section is provided specifically for use in functions, methods and recursive
Linkage Section All references to PROCEDURE DIVISION USING in the following discussion also apply to ENTRY USING.
Screen Section The Screen Section provides screen handling facilities for use with ACCEPT and DISPLAY statements.