The document discusses writing technical descriptions for different audiences. It notes that when crafting documents for audiences, writers must consider the audience's culture, language abilities, education, income level, interest in the topic, and existing knowledge of the topic. These factors will influence the tone, word choice, sentence structure, and length used. The document instructs the reader to write two contrasting technical descriptions about the same topic - one aimed at novices and one for experts. The purpose is to give experience adapting writing for specific audiences.