Robert's Rules of Order Practice Test

The main concept is inviting formal action by the group: the chair signals that they will entertain a motion. When the presiding officer says they will entertain a motion on the subject under discussion, they are opening the floor for someone to propose a formal action to be taken. This phrase marks the transition from casual discussion to a formal motion that can be seconded, debated, and voted on.

This is the best answer because it is the standard parliamentary term used to initiate formal consideration. It distinguishes from mere discussion, which involves talking without proposing a specific action; from division of the assembly, which is a voting method; and from discharge a committee, which is a particular kind of motion to relieve a committee of its duties.