⚠️ DEPRECATED: <rtc>
Embraces semantic annotations of characters presented in a ruby of rb elements used inside of ruby element.
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/rtc
⚠️ DEPRECATED: <rtc>
Embraces semantic annotations of characters presented in a ruby of rb elements used inside of ruby element.
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/rtc
<button>
An interactive element activated by a user with a mouse, keyboard, finger, voice command, or other assistive technology.
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/button
⚠️ DEPRECATED: <frameset>
Used to contain frame elements.
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/frameset
<template>
A mechanism for holding HTML that is not to be rendered immediately when a page is loaded but may be instantiated subsequently during runtime using JavaScript.
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/template
<rp>
Used to provide fall-back parentheses for browsers that do not support the display of ruby annotations.
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/rp

The <rp> HTML element is used to provide fall-back parentheses for browsers that do not support display of ruby annotations using the <ruby> element. One <rp> element should enclose each of the opening and closing parentheses that wrap the <rt> element that contains the annotation's text.
<bdi>
Tells the browser's bidirectional algorithm to treat the text it contains in isolation from its surrounding text.
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/bdi

The <bdi> HTML element tells the browser's bidirectional algorithm to treat the text it contains in isolation from its surrounding text. It's particularly useful when a website dynamically inserts some text and doesn't know the directionality of the text being inserted.
<dd>
Provides the description, definition, or value for the preceding term in a description list.
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/dd
⚠️ DEPRECATED: <rb>
Used to delimit the base text component of a ruby annotation.
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/rb
⚠️ DEPRECATED: <rtc>
Embraces semantic annotations of characters presented in a ruby of rb elements used inside of ruby element.
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/rtc
<audio>
Used to embed sound content in documents.
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/audio

The <audio> HTML element is used to embed sound content in documents. It may contain one or more audio sources, represented using the src attribute or the <source> element: the browser will choose the most suitable one. It can also be the destination for streamed media, using a MediaStream.