Plain-English meaning
A form that adds, removes, or changes terms in the base insurance policy.
Why it matters
Two policies with the same form name can differ materially because of attached endorsements.
Where you may see it
The forms list, quote package, renewal notice, and policy pages.
What to verify
Form number, edition date, what changes, limit, deductible, exclusions, price, and state availability.
Do not confuse it with
A general marketing feature list, which may not show the controlling wording.
For policy-specific meaning, read the definition and related provision in the issued policy.