To fully understand adjournment, it is necessary to understand the difference between a "session" and a "meeting."  A meeting is a gathering of the members of a body in person (or by means of electronic communication in real time), at which action may be taken (votes may occur).  A session of a body is a meeting or series of connected meetings devoted to a single order of business, program, agenda or announced purpose, in which - when there is more than one meeting - each succeeding meeting is scheduled with a view to continuing business at the point where it was left off at the previous meeting.  See Robert's Rules of Order, Newly Revised, 10th ed., p. 80.

An adjournment terminates a meeting, but it may or may not terminate a session.  If another meeting to continue the same order of business