notation

1. A technical system of symbols used to represent special things (synset 106821351)
   is a type of: writing - letters or symbols that are written or imprinted on a surface to represent the sounds or words of a language
   subtypes:

   • mathematical notation - a notation used by mathematicians
   • musical notation - (music) notation used by musicians
   • choreography - a notation used by choreographers
   • chemical notation - a notation used by chemists to express technical facts in chemistry
   same as: notational system
2. A comment or instruction (usually added) (synset 106775984)
   "his notes were appended at the end of the article"; "he added a short notation to the address on the envelope"
   is a type of: comment, commentary - a written explanation or criticism or illustration that is added to a book or other textual material
   subtypes:

   • poste restante - a notation written on mail that is to be held at the post office until called for (not in the United States or Canada)
   • acknowledgment, citation, cite, credit, mention, quotation, reference - a short note recognizing a source of information or of a quoted passage
   • footer, footnote - a printed note placed below the text on a printed page
   • n.b., nb, nota bene - a Latin phrase (or its abbreviation) used to indicate that special attention should be paid to something
   • postscript, ps - a note appended to a letter after the signature
   same as: annotation, note
3. The activity of representing something by a special system of marks or characters (synset 100616469)
   is a type of: committal to writing, writing - the activity of putting something in written form

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