Regarding the Gestaltists' (especially Köhler's) theory of insight learning, which of the following characteristics most accurately explains the core nature of this theory and its crucial difference from Thorndike's 'Trial and Error Theory'?

According to Gestalt psychology, learning does not occur merely through mechanical attempts, but by understanding the whole structure of the situation. Wolfgang Köhler proved through his experiment on a chimpanzee (Sultan) that problem-solving occurs suddenly through 'Insight', in which the organism observes the entire situation and suddenly discovers a new perspective or relationship. Thorndike's theory is gradual and mechanical, whereas Köhler's theory is based on cognitive and sudden reorganization.