A point of a letter of the alphabet.
Think not that I am come to destroy the law, or the prophets: I am not come to destroy, but to fulfil. For verily I say unto you, till heaven and earth pass, one jot or one TITTLE shall in no wise pass from the law, till all be fulfilled. ( Matthew 5:17-18 )
Bibliography Information"Entry for 'Tittle'". A King James Dictionary.