Lay open and Open up

Open up and lay open are semantically related in communicate topic. In some cases you can use "Open up" instead a verb phrase "Lay open", when it comes to topics like reveal.

Open up verb - Cause to open or to become open.

Lay open and open up are semantically related in communicate topic. You can use "Lay open" instead a verb "Open up", if it concerns topics such as reveal.