From the text, what is the definition of thought and how does it differ from perception?

I - Thought is a socially determined psychological process that allows us to represent our reality in a generalized and mediated way through concepts, judgments, and reasoning, while perception captures sensory characteristics, data, or concrete qualities of objects.
II - Thought is a representation of physical reality, while perception is a representation of abstract entities.
III - Thought and language are indivisible, while perception and language are separate processes.