In fiction, plenty do the job of conveying information, rousing suspense, painting characters, enabling them to speak. But only certain sentences breathe and shift about, like live matter in soil.
Instead of art I have taught philosophy. Though technique for me is a big word, I never have taught how to paint. All my doing was to make people to see.
It's impossible to move, to live, to operate at any level without leaving traces, bits, seemingly meaningless fragments of personal information.