nouns
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
is a type of (narrower)
(law) someone who owns (is legal possessor of) a business
"he is the owner of a chain of restaurants"
a strictly literal interpretation (as distinct from the intention)
"he followed instructions to the letter"; "he obeyed the letter of the law"
is a type of (narrower)
an interpretation based on the exact wording
an award earned by participation in a school sport
"he won letters in three sports"