This document provides an introduction to autism spectrum conditions. It defines autism spectrum disorder and discusses its main characteristics, including difficulties with language and communication, problems with social interaction and relationships, and inflexibility in activities and interests. The document outlines the "triad of impairments" that individuals with autism often exhibit - language/communication issues, social challenges, and rigid or restrictive patterns of behavior. It also mentions showing a video to examine challenges a child with autism may face and lists areas the video portrays related to obsessive behaviors, interests, sensory difficulties, and school problems.