@DejahEntendu Information structure ("chunking"), using the word processor style ribbons to ensure headings, lists, and tables are actually parsed as tables (or lists, or headings) in the document structure itself; and there are more resources I maintain on my site.
I recommend checking the ebook articles first (https://www.flowerstorm.tech/intro-accessibility-ebook/ ) but the tabletop creator resource link list is also there.