What does the INITIALIZE Verb do?

What does the INITIALIZE Verb do?

Alphabetic, Alpha-numeric fields and alpha-numeric edited items are initialized to SPACES.
Numeric and Numeric-edited items are set to ZEROES. FILLER and OCCURS Clause items are left untouched.



In the above code, WS-NAME variable would be filled up with SPACES. WS-PHONE variable would be zeroed out. The output of the above code is shown in the picture below.