What is the definition of Keyword in Katalon Studio? Need an example of an built-in keyword in Katalon

What is the definition of Keyword in Katalon Studio. Need an example of built-in keyword.I have gone through the documentation provided by Katalon Studio related to Keyword but it was not much clear. If I can get the definition of Keyword along with example of built-in keyword it will be helpful.

Ok got it. Thanks !!

Keyword in Katalon Studio is set of actions which have been built to serve you doing a required need based on its context, such as ‘Click’ keyword will click on the given element…

You can see their examples from this list: https://docs.katalon.com/display/KD/Keyword+Index. Built-in keyword source code is not exposed to users so you can see how is it built