Notation
Part of speech: noun
Definition: The act, process, method, or an instance of representing by a system or set of marks, signs, figures, or characters. 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. A specific note or piece of information written in such a notation.
Symbol
Part of speech: noun
Definition: A character or glyph representing an idea, concept or object.Any object, typically material, which is meant to represent another (usually abstract) even if there is no meaningful relationship.A type of noun whereby the form refers to the same entity independently of the context; a symbol arbitrarily denotes a referent. See also icon and index.A summary of a dogmatic statement of faith.