This clause will be ignored until you use the VALUE clause as part of an INITIALIZE statement; at which point, the value is assigned to the item.
... linkage section. 01 lnk-item1 pic x(5) value "hello". procedure division using lnk-item1. display lnk-item1. *> displays value passed in to program initialize lnk-item1 to value. display lnk-item1. *> displays "hello"