A shape is the form of an object or its external boundary, outline, or external surface, as opposed to other properties such as color, texture, or material composition.

Psychologists have theorized that humans mentally break down images into simple geometric shapes called geons. Examples of geons include cones and spheres.

https://en.wikipedia.org/wiki/Shape

"For all our failings, despite our limitations and fallibilities, we humans are capable of greatness."
Carl Sagan
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