These terms are like secret codes used in options trading, a way of making educated guesses about the future price of something. Imagine you buy a ticket that lets you buy a stock for a certain price by a certain date. If the stock price goes way up before that date, your ticket is "in-the-money" because you can buy the stock for cheap and then sell it for a profit. But if the stock price goes down, your ticket is "out-of-the-money" because it's not profitable to use it. It's a gamble on what the market will do!
