Tables and headers
Tables can be difficult to understand for assistive technology (like a screen reader), especially if many rows and columns exist. This is solved by using table headers, which indicate the header for each row and column. Some examples of tables with headers are.
Note: Headings (for text) and headers (for tables) sound similar. Both provide help when navigating the content. Screen reader users can move through a web page and hear the general outline of the page as represented in the headings. Screen reader users can use table headers to understand what row and column headers are relevant to the cell their cursor is currently occupying.