A complete semantic table isn't just rows and cells — it has a head, body, and foot, just like a document. Structural elements like <thead>, <tbody>, and <tfoot> group rows by purpose, enable independent scrolling, and help screen readers navigate complex data tables correctly.
1-A 2-A 3-A 4-A | 5 tfoot 6 th 7 = <table><thead><tr><th>...</th></tr></thead><tbody><tr><td>...</td></tr></tbody></table> 8 = In tfoot 9 = It can scroll independently under a sticky header | 10 = Marks a th as heading its row (accessibility)