SMP/E is like a magic wand for computers. It helps the computer keep things organized so it knows which programs to use and how to use them properly.
Just like how you put your toys away in your toybox, the computer needs to put its programs away in the right place so they don't get lost. Whenever something needs to be added or changed (like a new toy or a new program), SMP/E is the one who makes sure it all goes where it should.
Think of SMP/E as the toybox manager for the computer. It knows where everything is and how to get it out when it's needed. It also makes sure that everything is working together nicely, just like how you might organize your toys so that they all fit in the toybox without getting broken.
So, whenever the computer needs to add or change something, SMP/E makes sure it all happens smoothly and without any problems. It keeps everything nice and tidy so the computer can do its job properly.