All things are subject to interpretation whichever interpretation prevails at a given time is a function of power and not truth.
Shapes that contain no inner components of positive/negative relationships will function better with other shapes of the same nature.
African art is functional it serves a purpose. It's not a dormant. It's not a means to collect the largest cheering section. It should be healing a source a joy. Spreading positive vibrations.
The first function of poetry is to tell the truth to learn how to do that to find out what you really feel and what you really think.
Cats are intended to teach us that not everything in nature has a function.
Reading is more of a left-brain process and listening to music is a right-brain function.
There are certain sounds that I've found work well in nearly any context. Their function is not so much musical as spatial: they define the edges of the territory of the music.
Music's staying power is a function of how timeless the lyrics song and production are.
I think a lot of people do big movies not because they are talented artists but because they can function in the circumstances.
The movies we love and admire are to some extent a function of who we are when we see them.