Here is what one artist has to say about Dreamtime painting..
Dreamtime or Creation Time is the period when Baayama (God) and his ancestral
Spirit Deity created and helps to shape the world we know today.
Dreamtime Stories are unique to an individual area describing the creation of
the land its geographic conjures and waterways. These stories also tell of the
creation of all living creatures.
Deep within these stories are held the ancient “Lore” of our culture.
Our morals, respect and beliefs all stem from our understanding of where and
how we fit into the creation process. These stories guided and protects our
people giving them identity and strength.
Here are some examples -