\begin{definition}[Definition:Chess/Chessboard/File]
A '''column''' of a '''chessboard''' is known as a '''file'''.
It is identified by '''letter'''
:$\text a$ is the '''file''' on the edge of the board to the left of white (that is, to the right of black)
:The '''files''' are lettered sequentially up to the '''file''' on the edge of the board to the left of black (that is, to the right of white).
Category:Definitions/Chess
\end{definition}