PERFORM command (COBOL)

The PERFORM command transfers control explicitly to one or more statements and implicitly returns control to the next executable statement after execution of the specified statements is completed.

Simple:
Read syntax diagramSkip visual syntax diagramPERFORMcommandEND-PERFORM;
Repeating:
Read syntax diagramSkip visual syntax diagramPERFORMWITHTESTBEFOREAFTERVARYINGreferenceFROMreferenceBYreferenceUNTILconditioncommandEND-PERFORM;