Okay kiddo, so Lisa is a special type of organization. It stands for "Limited Liability Company". Now, that might be a very big name, but it's simple to understand. It means that the people who own and run the organization (we call them members) are not responsible for all the debts or problems that the organization might face.
Let me explain it in a way you can understand easily. Imagine that you have a lemonade stand with your friend. You both are partners in the business, and you both work hard to run it. One day, a customer slips and falls while buying lemonade at your stand. Now, if you both had started a Lisa instead of a regular partnership, then it would mean that you both would not have to pay the customer any money from your own pockets. The money would come from the business's earnings or insurance. So, you and your friend can relax and not worry about going broke because of one accident.
Now, Lisa is also a very popular form of an organization because it is easier to set up and has less paperwork than other types of companies. It can have just one member or many, and they can own it in different proportions, depending on how much they invest in the business. It's like having a big pizza, and everyone gets a different slice depending on how much they paid for it.
So, there you have it, kiddo. Lisa is like a pizza party where everyone gets a slice of the pie but doesn't have to worry about burning a hole in their pockets if something goes wrong.