input

Noun

• a component of production; something that goes into the production of output

• any stimulating information or event; acts to arouse action

• a statement that expresses a personal opinion or belief or adds information
  • from time to time she contributed a personal comment on his account
    

• signal going into an electronic system

Verb

• enter (data or a program) into a computer

Related words

• Synonyms: 
  stimulation , stimulus , stimulant , remark , comment , input signal