What are the fuctions and differences between ISO, Shutter Speed and Apeture in photography?

Question

I understand shutter speed but what confuses me is ISO and Apeture. The Apeture is physically the opening which determines how much light comes in , but ISO determines how sensitive the camera is to exposed light.

In: Technology

Answer 1

You basically did ELI5 in your description.. What is it you don’t understand?