An identifier is a sequence of character-strings and separators used to reference data uniquely.
General Formats for Format 1
General Formats for Format 2
General Formats for Format 3
General Formats for Format 4
General Formats for Format 5
General Formats for Format 6
General Formats for Format 7
Subscript-1 represents either subscripting (see the section
Subscripting) or indexing (see the section
General Rules: for Format 2
The words IN and OF are equivalent.
A data-name must neither be subscripted nor indexed when it is being used as an index, or subscript.
Indexing is not permitted where subscripting is not permitted.
An index can be modified only by the SET, SEARCH, and PERFORM statements. Data items described by the USAGE IS INDEX clause
permit storage of the values associated with index-names as data. Such data items are called index data items.
Literals used as subscripts must be positive numeric integers. Literals used for relative subscripting and indexing must be
unsigned numeric integers.
General Rules: for Format 3
Object-property-1 is defined by the section
General Rules: for Format 4
Inline-invocation-1 is defined by the section
Inline Method Invocation
General Rules: for Format 5
Object-view-1 is defined by the section
General Rules: for Format 6
Address-identifiers are defined by the section
Data-address-identifier and the section
General Rules: for Format 7
Type-of-1 is defined by the section
Type of identifier.