Okay kiddo, do you know what the stock market is? It's like a big store where people can buy and sell something called stocks. Stocks are like little pieces of ownership in a company.
Now, there are certain companies that are really big and popular, and a lot of people want to buy their stocks. When a lot of people want to buy a stock, its price goes up.
That's where the big-nse comes in. It's like a list of the biggest and most popular companies in the stock market. These companies are called "large-cap" companies, which means they have a lot of value.
Investors pay close attention to the big-nse because it can tell them how the overall stock market is doing. If the big-nse is going up, it means a lot of people are buying stocks and the economy might be doing well. If it's going down, it means people are selling stocks and the economy might be struggling.
So, in summary, the big-nse is a list of the biggest and most valuable companies in the stock market, and it can give us an idea of how the economy is doing.