Which number is represented by the spelling 'three'?

The spelling 'three' directly corresponds to the numerical value of 3. In the context of numbers, each word is a representation of a specific value, and 'three' is universally recognized as indicating the quantity that comes after two and before four. This clear correspondence makes the answer straightforward, as the other options refer to different quantities altogether. By recognizing that 'three' uniquely identifies the numeral 3, one can confirm that it is the accurate representation among the choices provided.