notation

Noun

1. The act, process, method, or an instance of representing by a system or set of marks, signs, figures, or characters.
2. A system of characters, symbols, or abbreviated expressions used in an art or science or in mathematics or logic to express technical facts or quantities.
   • This section lists all algebraic notation used in this book.
   • The notations used in the two books differed.
   • There is no official notation in the game of Stratego. Several notations are available but rely on perfect information of the initial piece set-up of both players. We will use a chess-like notation for Stratego. - 2010...
3. A specific note or piece of information written in such a notation.
   • She made a notation in the margin of the book.