Sensations, perceptions, representations, memory, imagination, thinking are cognitive processes. They are inextricably linked with each other and collectively participate in the collection, processing and storage of information. Thanks to these processes, we can understand the environment around us and make adequate (appropriate) decisions.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.