·    The bottom part of the second glyph-block is not related to bu. Instead, it is an unusual variant of the ne (iconographically derived from NEH, the tail of a jaguar), where the spiral / scroll reflects the tail, and the dark dots represent the jaguar spots).

·    Tokovinine explains that someone who is the “child of (a named) mother and child of (a named) father” is someone of note, i.e. someone belonging to the nobility, someone with ancestry.

·    AT-YT2021-lecture24.t0:17:02 also gives yal umihiin with a ceramic given as an example, but I don’t think this is clear enough to include here.