Envelop and Wrap up

Envelop verb - To close or shut in by or as if by barriers.

Wrap up is a synonym for envelop in put on topic. In some cases you can use "Wrap up" instead a verb "Envelop", when it comes to topics like surround, encase.

Wrap up verb - To bring (an event) to a natural or appropriate stopping point.

Envelop is a synonym for wrap up. You can use "Envelop" instead a verb "Wrap up".