emoticons drawn by white chalk on a gray board, emotions of indignation and joy, sadness, longing, loneliness, frustration, depression, anger, rage, discontent, resentment, joy, fun, good mood, smile, laughter, kiss, flirt, no people, nobody, chalk drawing, creativity, children’s creativity, psychology, human emotions , sign, couple, face, training, analysis, game, thoughtfulness, awareness, mindfulness, class, lesson, school, blackboard, school board, chackboard, show tongue, tease