Variable - An element, feature, or factor that is liable to vary or change. (OR) A quantity which during a calculation is assumed to vary or be capable of varying in value. (OR) A a data item that may take on more than one value during the runtime of a program.

Attributes -  Regard something as being caused by. (OR)  A quality or feature regarded as a characteristic or inherent part of someone or something. (OR) A  piece of information which determines the properties of a field or tag in a database or a string of characters in a display.