1) The document discusses social and communication challenges experienced by individuals with autism spectrum disorder (ASD), including difficulties engaging in social interactions, communicating, and repetitive or restrictive behaviors. 2) Individuals with ASD often have trouble understanding social cues, engaging in back-and-forth conversations, and interpreting body language and facial expressions of others. They may repeat words or phrases. 3) Repetitive behaviors are common, such as hand-flapping or spinning objects. Individuals with ASD also prefer predictable routines and find it difficult to adapt to changes in plans.