A negating expression; an answer that shows disagreement or disapproval

A vote not in favor, or opposing a proposition

“The workers voted on whether to strike, and there were thirty "yeses" and two "nos".”

An abstract entity used to describe quantity.

“Zero, one, −1, 2.5, and pi are all numbers.”

A numeral: a symbol for a non-negative integer.

“The number 8 is usually made with a single stroke.”

An element of one of several sets: natural numbers, integers, rational numbers, real numbers, complex numbers, and sometimes extensions such as hypercomplex numbers, etc.

“The equation e^{i\pi}+1=0 includes the most important numbers: 1, 0, \pi, i, and e.”