A collection of hand gestures and symbols expressing various meanings, emotions, and actions. They include greetings (👋), stop or halt (✋), raised hand (🤚), open hand (🖐), unity or rock-on (🤟), handshake (🤝), okay or approval (👌), pointing left (👈), pointing right (👉), pointing up (👆), pointing down (👇), thumbs-up (👍), thumbs-down (👎), applause (👏), open hands (👐), celebration or praise (🙌), prayer or gratitude (🙏), and strength (💪).