The distinction's false but one of these very much registered for me at the emotional level, the other at the political.
The small 'abstract' exhibition was pieces from the Bendigo Art Gallery's collection, a mixed bag in quality, several with unfortunately reductive titles. Most striking were Charles Godfrey's "Summer (2)" 1960-64), below/detail, and John Passmore's "Abstract" (1959).
From the (good) 'Australiana' exhibition: