Discount store and Walk-on

Discount store noun - A sales outlet offering goods at a discounted price.

Walk-on and discount store are semantically related. In some cases you can use "Walk-on" instead a noun phrase "Discount store".

Walk-on noun - Plays a small part in a dramatic production.

Discount store and walk-on are semantically related. Sometimes you can use "Discount store" instead a noun phrase "Walk-on".