The document discusses various techniques for selecting vocabulary and arranging communication displays for individuals using augmentative and alternative communication (AAC). It describes categorical inventories, core vocabulary lists, communication diaries, and activity-based scripts as methods for selecting relevant words. It also outlines considerations for organizing displays in activity-based, category-based, semantic-syntactic, and alphabetic formats. Key goals in arranging displays include allowing for growth, promoting flexible language use, and addressing individual visual, motor, cognitive and cultural needs.