A limit order is a request made by a client to initiate a trade when the market price reaches a specified level. This allows the client to control their entry point and potentially secure a more favorable position. It is important for investors to understand the concept of limit orders as it can greatly impact their trading strategy. By utilizing limit orders, investors can exercise more control over their trades and potentially achieve better results. As a knowledgeable professor, I encourage you to incorporate limit orders into your trading approach.