HTML <ruby> Tag
A ruby annotation:
漢 <rt > ㄏㄢˋ </rt>
Definition and Usage
<ruby> tag specifies a ruby annotation.
A ruby annotation is a small extra text, attached to the main text to indicate the pronunciation or meaning of the corresponding characters. This kind of annotation is often used in Japanese publications.
<ruby> together with
<ruby> element consists of one or more characters that needs an explanation/pronunciation, and an <rt> element that gives that information, and
an optional <rp> element that defines what to show for browsers that do not support ruby annotations.
The numbers in the table specify the first browser version that fully supports the element.
<ruby> tag also supports the Global Attributes in HTML.
<ruby> tag also supports the Event Attributes in HTML.