The document discusses different levels of reading, writing, and oral communication skills as defined by the Australian Core Skills Framework (ACSF).
For reading, it describes 5 levels that require understanding texts of increasing complexity, from very familiar topics to complex ideas across multiple texts.
For writing, it outlines 5 levels involving writing for different purposes, audiences, and formats, from simple messages to complex texts.
It also outlines 5 levels of oral communication, ranging from short, simple speech to understanding and speaking complex language in various contexts.