They asked for the difference between leftists and liberals, not whether or not there are differences between leftists.
The unifying differences are anti-capitalism and being against private ownership - which in leftist thinking is differentiated from personal ownership (toothbrushes, personal housing, etc).
Correct.
Generally there’s some degree of anti-hierarchical values.
They asked for the difference between leftists and liberals, not whether or not there are differences between leftists.
Correct.
Same with liberals, so generally incorrect.
C-
Liberals do not want to do away with representative democracy?
Not part of any definition of “liberal” I’ve heard of, no.