Notation and Digit

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

• One of the elements that collectively form a system of numeration.
  • usage: "0 and 1 are digits"
  • synonyms: figure
• The length of breadth of a finger used as a linear measure.
  • synonyms: finger, fingerbreadth, finger's breadth
• A finger or toe in human beings or corresponding body part in other vertebrates.
  • synonyms: dactyl

• (n.) One of the ten figures or symbols, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, by which all numbers are expressed; -- so called because of the use of the fingers in counting and computing.
• (n.) A finger's breadth, commonly estimated to be three fourths of an inch.
• (n.) One twelfth part of the diameter of the sun or moon; -- a term used to express the quantity of an eclipse; as, an eclipse of eight digits is one which hides two thirds of the diameter of the disk.
• (n.) One of the terminal divisions of a limb appendage; a finger or toe.
• (v.t.) To point at or out with the finger.