The document summarizes the major landforms of Australia. It describes four main landform regions: the coastal plains, eastern highlands, central lowlands, and western plateau. Each region has distinct characteristics that have been shaped by geological processes. Some iconic landforms highlighted include the Great Barrier Reef, Uluru, and Mount Kosciuszko, all of which have unique environmental and cultural significance. In conclusion, the document provided an overview of Australia's diverse geography and the natural features that define its different regions.