The kind of instructions you’d write for a second grader.
I was always finding notes he had left for her...."Every x, y, z month change the filter for the water system. The filters are model 123, I left a box in the closet. I left the filter wrench - here. It should not be too tight for you loosen."
Detailed step by step instructions from a dying man who in life had taken care if everything to his elderly widow he was leaving behind.