letter

a written message addressed to a person or organization; "mailed an indignant letter to the editor"

the conventional characters of the alphabet used to represent speech; "his grandmother taught him his letters"

owner who lets another person use something (housing usually) for hire

a strictly literal interpretation (as distinct from the intention); "he followed instructions to the letter"; "he obeyed the letter of the law"

an award earned by participation in a school sport; "he won letters in three sports"

win an athletic letter

set down or print with letters

mark letters on or mark with letters