The term 'VERSATILE SCRABBLE TILE' refers to the letter E, which is the most commonly used letter in the English language. It is also the most versatile Scrabble tile, as it can be used to form words in almost any direction. The three-letter solution for this term is ESS, which stands for the letter E. This letter is a powerful tool for players of the popular board game Scrabble, as it can be used to form words in almost any direction.