A "page memo" refers to a written note or document that is about one page long. It is a concise and brief written piece that is typically used for communication or providing information in a concise manner. Full definition
Have your manuscript - in - progress read (word limit), and get a 30 - minute phone call or 2 - 3 page memo from an editor. (kickstarter.com)
Without this perspective, it is easy to provide misguided advice like a 40 - page memo on an issue that was nothing more than a passing concern for the client. (canadianlawyermag.com)
It talks about the six - page memo [from] early in the administration. (pbs.org)