What is the meaning of –?

Indicates ranges.

Indicates items in a list.

Indicates a quotation or a line of dialogue.

Used in a compound term when the constituent parts are already hyphenated.

Used to hide letters

Used to connect compound terms with the sense of "to" or to show a relationship

Used to connect a spaced or hyphenated term.

Used to replace two zeroes after the decimal point in monetary values in running text (in tables, the em dash — is used).

Used to replace a zero before the decimal point, i. e. for monetary values below 1.

Source: wiktionary.org

See also