How to take input from user in html programs?

Question

what keyword to use for taking input from user.

Answer 1

Forms are used for this, usually.
Take a look at the lessons below:
https://www.sololearn.com/learn/HTML/1035/?ref=app
https://www.sololearn.com/learn/HTML/2216/?ref=app
https://www.sololearn.com/learn/HTML/2217/?ref=app

Answer 2

You can use <input type="THE TYPE> to collect info from user + js to do different things with them. But if you want to use those info in a server i recommended you to take the php tutorial.