Language of word is not necessary for—

Perceptual thinking is based on direct sensory perception of objects and events—it operates through images and sensations without requiring verbal/word language. Even pre-verbal infants and animals engage in perceptual thinking. In contrast, conceptual thinking (abstract concepts), associative thinking (linking ideas), and imaginative thinking (constructing scenarios) typically require verbal language for full development. Hence (4) perceptual thinking is correct.