simplefunction
nounUK /ˈsɪmpəl ˈfʌŋkʃən/
US /ˈsɪmpəl ˈfʌŋkʃən/
A simple function is a small job or task that does just one easy thing.
The light switch is a simple function that turns the lamp on and off.
OTHER MEANINGS
2. In math, a simple function is a rule that gives one clear answer for each input.
Doubling a number is a simple function: put in 3 and get 6.
3. In computing, a simple function is a short piece of code that does one small job.
The program uses a simple function to add two numbers.
4. A simple function can mean a basic purpose or role that something serves.
The handle's simple function is to let you open the door.