The COVID Diaries: What do these 4 common pandemic phrases really mean?

Infectious diseases expert Dr Jim Newcombe continues his reflective journey into understanding this pandemic and its place in society.
There has been heated debate recently about the approach Australia should take to fighting COVID-19.
Before entering such a debate, I would like to first examine in this post the different strategies each government, state and federal, is currently taking to tackle coronavirus.
These strategies have not yet been clearly explained by the governments themselves.