“Difficulties with social communication include:   difficulties understanding language; difficulties producing speech; unusual patterns of speech; repeating words or phrases; referring to self by name; not understanding the point of communicating; not pointing out things of interest to others; not understanding tone of voice, facial expressions, body posture, gesture, body distance, and volume of speech; not being able to read the signs that tell you whether to continue talking or to stop; the tendency to take language literally, which makes it difficult to understand jokes, sarcasm and figures of speech.”