Validity and visibility

A V.CYC. variable is visible and usable starting with the declaration at the program level and in the program levels below it.

Validity of self-defined V.CYC. variables
Validity of self-defined V.CYC. variables

If a V.CYC: variable is created with the same name in a lower program level, the ‘most local” declaration is visible and usable.

Validity of V.CYC. variables of the same name
Validity of V.CYC. variables of the same name