The term 'YES Gesture' is a combination of two crossword solutions, 'NOD' and 'YES'. A NOD is a gesture in which the head is briefly bowed up and down in agreement or understanding. It is often used as a sign of approval or agreement, and is a common form of nonverbal communication. The term 'YES' is an affirmative response that is used to indicate agreement or acceptance. Together, these two terms form the phrase 'YES Gesture', which is a gesture that conveys agreement or acceptance.