a written, typed, or printed communication addressed to a person or organization

a character in an alphabet

अक्षर

English Usage: The letter 'A' is the first in the alphabet.

Hindi Usage: अक्षर 'A' वर्णमाला में पहला है।

to grant someone a charter or formal recognition

मान्यता देना

English Usage: The court decided to letter the new organization.

Hindi Usage: अदालत ने नए संगठन को मान्यता देने का निर्णय लिया।