1. HTML5 semantic elements

    HTML5 offers some new elements, primarily for semantic purposes. The elements include: `section`, `article`, `aside`, `header`, `footer`, `nav`, `figure`, `figcaption`, `time`, `mark` & `main`.

  2. Video Tracks

    Method of specifying and selecting between multiple video tracks. Useful for providing sign language tracks, burnt-in captions or subtitles, alternative camera angles, etc.

  3. WebVTT - Web Video Text Tracks

    Format for marking up text captions for multimedia resources.

  4. htmltablecaptionelement api

  5. htmltablecaptionelement api: align

  6. htmltableelement api: caption

  7. htmltableelement api: createcaption

  8. htmltableelement api: deletecaption

  9. css property: caption-side

  10. css property: caption-side: non-standard values `left`, `right`, `top-outside`, and `bottom-outside`

  11. css property: caption-side: `top` and `bottom` are relative to the `writing-mode` value

  12. html element: caption

  13. html element: caption: align

  14. html element: figcaption