Final answer:
Saving information for future use in human memory is correctly termed as 'storage', which is the retention of encoded information.
Step-by-step explanation:
Saving information for future use is called storage. It refers to the retention of encoded information.
In the processes of memory, encoding is the input of information into the memory system, whereas retrieval is the act of getting information back out of memory storage into conscious awareness. Thus, answer (c) storage is correct.