What is the difference between a resolution and any other motion?

The term 'resolution' is usually used to indicate a written statement, prepared in advance and available to the board to review before the meeting, which the board adopts. In simple terms it is a formal pre-written statement of the motion, usually preceded by the words "Resolved that..".

Robert's Rules of Order Newly Revised, 10th Edition says "For more important or complex questions, or when greater formality is desired, he presents the motion in the form of a resolution. The usual wording then is, `I move the adoption of the following resolution: Resolved, That..' A resolution of a long or complicated motion should be prepared in advance of the meeting, if possible, and should be put into writing before it is offered."

For more information on this question, Ask OSBA.