Okay kiddo, imagine you have a bunch of toys that you and your friends play with. You all like different toys, but sometimes you share the same ones.
Now, let's say you want to know which toys are the most popular among your friends. If you asked each of them one by one, it would take a long time and you might forget who said what.
So instead, you all put your toys in one big pile and made a list of who owns which toys. Now, you can look at the list and see which toys are owned by the most people. This makes it much faster and easier to figure out which toys are popular!
This is kind of like what happens with computers when they analyze shared multidimensional information. Instead of toys, they look at things like numbers, words, and measurements that lots of different people have collected.
They put all this information together into a big table that shows who has what information. Then, they use special programs to quickly figure out patterns and trends in the data. This helps them learn things like what products are selling the most, which diseases are spreading the fastest, or where people are moving to.
So just like your toy pile example, analyzing shared multidimensional information makes it easier and faster to understand lots of different things all at once!