This document discusses unique terms and slang words used in Australian English. It outlines terms like "outback", "walkabout", and "bush" that refer to remote or forested areas of Australia. It also explains how Australian English uses diminutives formed by adding "-o" or "-ie" to words, like "arvo" for afternoon or "bikkie" for biscuit. Additionally, it notes that Australian English incorporates rhyming slang imported from London, where a phrase like "Captain Cook" is used to mean "look" based on the rhyming of "Cook" with "look".