a
Specifies that the text within the tags a hyperlink. The destination of a link is specified as a URI: the address or ID of another tag. Authors are encouraged to use the a tag instead of anchor where possible. It is invalid to nest anchor tags. The a tag is a short form of the anchor tag; it is essentially bound to a go task without variables.

attributes

href
Specifies the destination URI. For instance, "wtai://wp/mc;+18005551234".
title
Specifies a brief text string identifying the link.
accesskey
Assigns an access key (a single character from the document character set) to an element to allow the user to activate a particular element by using a single key. The phones usually have "0"-"9", "*" and "#" keys. Activating an access key assigned to an element gives focus to the element. When a user activates a link defined by the a element, the user agent generally follows the link. The access key may be recognized directly, or it may be necessary to press it in conjunction with a "command" key.
id
Provides an element with a unique name within a single deck.
class
Affiliates an element with one or more classes.