The following table lists the SCA symbol classes and their
    corresponding meanings in FORTRAN.

    SCA Symbol Classes and Equivalent FORTRAN Language Terminology

    SCA Term       FORTRAN Term   Explanation

    Argument       Dummy          The variable named in a function
                   argument       declaration

    Component,     record
    Field          component

    Constant,      PARAMETER
    Literal

    Exception      N/A

    File           File           A file used during compilation

    Function,      SUBROUTINE or  A SUBROUTINE, FUNCTION, or main
    Procedure,     FUNCTION       program
    Program,
    Routine,
    Subroutine

    Generic        N/A

    Keyword        Keyword        A PDF keyword

    Label          Label          A statement label

    Macro          N/A

    Module,        BLOCK DATA,
    Package        SUBROUTINE

    Placeholder    Placeholder    An LSE placeholder

    Psect          COMMON block

    Tag            tag            A PDF tag

    Task           N/A

    Type           Type           For example, INTEGER, REAL, COMPLEX
                                  and so forth

    Unbound        N/A

    Variable       Variable

    The following table lists the SCA occurrence classes and their
    corresponding meanings in FORTRAN.

    SCA Occurrence Classes and Equivalent FORTRAN Language Terminology

    SCA Term       FORTRAN Term   Explanation

    Primary        Declaration    The declaration containing the
                                  actual implementation

    Associated     Declaration    An EXTERNAL declaration

    Declaration    Declaration    Any declaration, either primary or
                                  associated

    Read, Fetch    Read

    Write, Store   Write

    Address,       Address        %LOC, actual arguments
    Pointer

    Call           Call           For example, a CALL statement

    Command_line   Command line   A file specified on the command
                                  line; for example, FORTRAN foo.for

    Include        INCLUDE        A file specified in an INCLUDE
                                  statement

    Precompiled    N/A

    Reference      Reference      Any nondeclaration

    Explicit       Explicit       Any symbol declared by the user

    Implicit       Implicit       Any symbol declared by the compiler
                                  when it sees the first reference

    Visible        Visible        A symbol whose name is visible in
                                  the source

    Hidden         Hidden         A symbol whose name is not visible
                                  in the source

    Compilation_   Program unit   A SUBROUTINE, FUNCTION, PROGRAM,
    unit                          BLOCK DATE, and so forth

    The following table lists the SCA domain classes and their
    corresponding meanings in FORTRAN.

    SCA Domain Classes and Equivalent FORTRAN Language Terminology

    SCA Term       FORTRAN Term   Explanation

    Inheritable    N/A

    Global                        A SUBROUTINE, FUNCTION, or COMMON
                                  block

    Predefined     Defined by     For example, INTEGER, REAL*4, and so
                   the language   forth

    Multi_module   GLOBAL,
                   predefined,
                   and
                   inheritable

    Module_                       Only known within a SUBROUTINE,
    specific                      FUNCTION, and so forth