The diagram illustrates the 'complexity' of the cell's structure.
He doesn't grasp/understand the 'complexity' of the situation.
Her poetry is too 'complex' [='complicated'] for my taste.
(..) It'd be way too easy to say Stan preys on the weak simply because he's a dick. No. No, no. Stan here... ...is much more complex than that. See, according to leading psychiatrists... ...Stan's a bully for one of three reasons. One: Underneath all of that male bravado... (..)2009 17 Again