| A | B |
| rank | straight line, side-to-side |
| file | straight line, front-to-back |
| board | rectangular piece of wood |
| piece | part of a set or collection |
| pawn | weakest chess piece |
| rook | moves forward, back, side-to-side |
| knight | chess piece shaped like a horse |
| bishop | chess piece, moves diagonally |
| queen | most powerful chess piece |
| king | most important chess piece |