Something which can be appended to something else.
A software extension or hardware peripheral that provides additional functions or customization for a core application or system.
Additional chips that can be purchased at specific times in tournament play.
A type of lettering form written lower than the things around it.
An index into an array or hash.
Written underneath.
To access (an array element) by its index.
To convert to a subscript form.
To provide with a subscript.