Read the dictionary definition of input. All definitions for this word.
1. a component of production; something that goes into the production of output
2. any stimulating information or event; acts to arouse action
3. a statement that expresses a personal opinion or belief or adds information
1. from time to time she contributed a personal comment on his account
2. we would appreciate input from our users on how we can improve our software
4. signal going into an electronic system
5. enter (data or a program) into a computer