It also means you can, by definition, not put more than 1 page of details into a given issue.
As usual the Navy/DoD seems to have this figured out:
BLUF: "Bottom-Line Up Front": Concise description of the problem, recommended solution w/out corroborating detail.
FYSA: "For Your Situational Awareness": This may help the boss understand the problem better, but it isn't something they need to know or understand right now.
FYI: "For Your Information": Boss, you need to read this before making your decision.
If you can't trust your underlings to use each appropriately so that you can triage what you have time for, then you either need new underlings or you need to take responsibility for training them better.
A 1-page limit on decisional memorandums is just as artificial as a 64-KB limit on code page size for executable programs.