Question

are short form used to refer an element.​

Answer 1

Answer:

The <abbreviated-form> element represents a reference to a term that might appear in an abbreviated form (often an acronym). The long and short forms of the term are generally defined in a <glossentry> topic. Processors display the referenced term when rendering an <abbreviated-form> element.

Answer 2

Answer:

Symbols are short form used to refer an element.