Indicates the required status of data field, where "required" is contrasted from "optional". Such status generally indicates that any [non-null] value is considered acceptable when populating or evaluating a specific field or fields.
Overview
The designation required-field indicates the required status of a data field, where "required" is contrasted from "optional".
Such status generally indicates that any non-null value is considered acceptable when populating or evaluating a specific field or fields.
This designation applies to any of various contexts, but is primarily associated with data-entry and data-validation.
