Notation and Correspondence

noun

• A technical system of symbols used to represent special things.
  • synonyms: notational system
• A comment or instruction (usually added. )
  • usage: "his notes were appended at the end of the article"; "he added a short notation to the address on the envelope"
  • synonyms: note, annotation
• The activity of representing something by a special system of marks or characters. .

• (n.) Literal or etymological signification.
• (n.) Any particular system of characters, symbols or abbreviated expressions used in art or science, to express briefly technical facts, quantities, etc. especially, the system of figures, letters, and signs used in arithmetic and algebra to express number, quantity or operations.
• (n.) The act or practice of recording anything by marks, figures or characters.
• (n.) The act or practice of recording anything by marks, figures or characters.
• (n.) Any particular system of characters, symbols or abbreviated expressions used in art or science, to express briefly technical facts, quantities, etc. especially, the system of figures, letters, and signs used in arithmetic and algebra to express number, quantity or operations.
• (n.) Literal or etymological signification.

noun

• Communication by the exchange of letters.
• Compatibility of observations.
  • usage: "there was no agreement between theory and measurement"; "the results of two tests were in correspondence"
  • synonyms: agreement
• The relation of corresponding in degree or size or amount.
  • synonyms: commensurateness, proportionateness
• Mathematics) an attribute of a shape or relation; exact reflection of form on opposite sides of a dividing line or plane.
  • synonyms: symmetry, symmetricalness, balance
• Similarity by virtue of corresponding.
  • synonyms: parallelism

• (n.) The letters which pass between correspondents.
• (n.) Mutual adaptation, relation or agreement, of one thing to another; agreement; congruity; fitness; relation.
• (n.) Friendly intercourse; reciprocal exchange of civilities; especially, intercourse between persons by means of letters.