Four levels of finish (rough, working, usable and final), how to name the one you want in the first line of a brief, and how to match your review to each level.
Six quick accessibility checks for documents, slides and small apps, from meaning without color to keyboard-only use, and how to put them in the brief next time.
How to hand over one good example with clear notes on what to copy, what to change and why it works, so a helper matches your style without reusing old details.
Four sentences that describe a small app clearly enough to build it: who uses it and when, what it keeps, what you do with it, and what stays in view.
A ten-minute monthly routine for reviewing the memory available to your assistant: read it like a newcomer, then note what is stale, too broad or missing, and tidy it up.
A six-step way to design a small app on paper before asking an assistant to build it, worked through with an illustrative weekly review board.