The flag on the left is the Australian Aboriginal flag.
Black – represents the Aboriginal people of Australia
Yellow circle – represents the Sun, the giver of life and protector
Red – represents the red earth, the red ochre used in ceremonies and Aboriginal peoples’ spiritual relation to the land.
The right is the Australian flag.
The flag has three elements on a blue background: the Union Jack, the Commonwealth Star and the Southern Cross. ... Below the Union Jack is a white Commonwealth, or Federation, star. It has seven points representing the unity of the six states and the territories of the Commonwealth of Australia.