The HTML <rtc> element specifies semantic annotations of characters that are presented in <rb> elements used inside a <ruby>. The <rb> elements can have both semantic (<rtc>) and pronunciation (<rt>) annotations.
Ruby annotations are usually used in East Asian typography. Rubi characters are small, annotative characters that are placed above or to the right of a Chinese character to show the pronunciation.
The <rtc> tag is one of the HTML5 elements.
The <rtc> tag comes in pairs. The content is written between the opening (<rtc>) and closing (</rtc>) tags. The closing tag of the <rtc> element may be omitted when
Example of the HTML <rtc> tag:
<html> <head> <title>Title of the document</title> </head> <body> <ruby> <rbc> <rb>旧</rb> <rt>jiù</rt> <rb>金</rb> <rt>jīn</rt> <rb>山</rb> <rt>shān</rt> </rbc> <rtc>San Francisco</rtc> </ruby> </body> </html>