An attribute is the following:

• Generally, an attribute is an abstraction characteristic of an entity
• In database management, an attribute is a property inherent in an entity or associated with that entity for database purposes.
• In network management, an attribute is a property of a managed object that has a value.
• In SGML-based markup languages like HTML and XML, an attribute is a parameter to an HTML element.
• Attribute is the name of a board game.
• An attribute may also refer to a deity's aspect .

Sources

• Federal Standard 1037C and from MIL-STD-188