The condition of being fit, suitable or appropriate.
The condition of being attractive, fanciable or beautiful.
The cultivation of an attractive and/or healthy physique.
An organism's or species' degree of success in finding a mate and producing offspring.
The ability to do a task, performance, or execution; a set of functions that something is able or equipped to perform.
The presence of a functional group.
In United States trademark law, the tendency of a product design to serve a function other than identification of the product, preventing that design from being protected as a trademark.