| The label | describe | note |
|---|---|---|
| <time> | Define a date or time, or both. | Tags define the time of the Gregorian calendar (24 hours) or date, time and time zone offsets are optional. This element can encode dates and times in machine-readable ways so that, for example, a user agent can add birthday reminders or scheduled events to a user’s calendar, and a search engine can generate smarter search results. |
| <title> | Define the title of the document. | Comment: An HTML document cannot have more than one <title> element. Tip: If you omit the <title> tag, the document is not valid as HTML |
| <tr> | Define the rows in the table | In HTML 5, this is not supported |
| <track> | Tags specify external text tracks for media such as video elements. | IE 10, Opera, and Chrome support the <track> TAB. |
| <tt> | Define typewriter text. | HTML5 does not support the < TT > T tag. Use CSS instead. |
| ~ ~ <u> ~ ~ | Use is not approved. Define underline text. | |
| . | ||
| <ul> | Define unordered lists. | In HTML 4.01, the “compact” and “type” attributes are deprecated. HTML5 doesn’t support two attributes |
| <var> | Define the variable portion of the text | A tag is a phrase tag that defines variables |
| <video> | The tag defines video, such as movie clips or other video streams. | Some HTML 4.01 attributes are not supported in HTML5. HTML5 added “sizes” attribute. |
| <wbr> | All major browsers support the < WBR > tag except Internet Explorer. |