The phrase "simple click" refers to the action of pressing a mouse button or tapping on a screen with your finger. It is often used to describe an easy and straightforward action. Full definition
Quick Actions: This allows users to quickly log their health and fitness actions like food or water intake, exercise or set alarms with simple click of a button. (indianexpress.com)
This is simple and easy to control the electronic devices in your hands with simple clicking on your smart watch. (techlustt.com)
When you choose an online dating website for your love needs, you can change the course of your dating experience with just a few simple clicks of a button. (cupid.com)