The document outlines a class on human-computer interaction, emphasizing the importance of navigation by discussing three essential user questions: 'Where am I?', 'What can I do?', and 'Where can I go from here?'. It incorporates an in-class activity focused on sketching UI designs of familiar apps or websites to evaluate how effectively they answer these questions. Additionally, it underscores the need for participants to reflect on the navigation structure and the mediums used to convey information, such as text and icons.