Final answer:
Abstract signs are not a primary category in cave paintings, which usually include animals, human figures, and abstract signs for symbolic or spiritual purposes.
Explanation:
Abstract signs is not the main category of cave paintings. Paleolithic cave paintings are typically grouped into three main categories: animals, human figures, and abstract signs. Animals depicted in cave paintings include a variety of species that were crucial for early humans, such as horses, bison, and lions. These paintings often served symbolic or spiritual purposes, representing either hunted animals or spiritual beliefs.
Learn more about Paleolithic cave paintings here:
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