Otherwise he relies on hand gestures and facial expressions to communicate. Lions have an array of facial expressions and body postures that serve as visual gestures. Rhesus macaques interact using a variety of facial expressions, vocalizations, body postures, and gestures. Encoding is the act of generating information such as facial expressions, gestures, and postures. They are movements with specific, conventionalized meanings called symbolic gestures. Sexual bullying is inappropriate touching, lewd gestures or jokes. The ability to communicate nuances of phrasing and expression through gestures is also beneficial. Kinesic messages are more subtle than gestures. Affection can be communicated by looks, words, gestures, or touches. He introduced Holmes' rather eccentric hand gestures and short violent laughter. They trained him to deliver sermons, complete with dramatic gestures and emphatic lunges. Indicators can be physical gestures or displays including written signs. But soon she began imitating Sullivan's hand gestures. Without speech, the Scoobies resort to gestures or writing. No particular ritual gestures are prescribed.