In HTML, attributes are added to some tags to allow extra formatting options. An attribute is included after the command word and before the tag's closing angled bracket. You may use more than one attribute for one tag.

modify/enhance a tag

In a database record, the name or structure of a field. The size of a field or the type of information it contains would also be attributes of a database record. In markup languages such as Standard Generalized Markup Language (SGML) and HTML, a name-value pair within a tagged element that modifies certain features of that element.

Describes an aspect of an HTML tag that is modified with a value.

An addition to an HTML tag that modifies how the tag will work. Attributes are placed inside the beginning tag.

Keywords and associated values that modify or extend a basic HTML tag in some way.

In HTML, attributes are used to create extra formatting options to content, such as boldfacing, italics, colors or background; even special effects. More than one attribute may be added to HTML content.

Dynamically configurable kernel variables, whose values you can modify to improve system performance. You can utilize new attribute values without rebuilding the kernel.

Aspects of information about a content object. Attributes may be fields, tags, and meta-tags. E.g. a document can have a "language" attribute and a "date" attribute.

Special code words used inside an HTML tag to control exactly what the tag does.