What is a limit order in Poloniex?

Could you please elaborate on what a limit order is in the context of Poloniex, the popular cryptocurrency exchange platform? How does it differ from other types of orders, and what are the benefits or drawbacks of using limit orders for trading cryptocurrencies on Poloniex? Is there a specific process or steps one needs to follow to place a limit order, and are there any fees associated with it? Understanding the nuances of limit orders on Poloniex would be highly valuable for traders seeking to optimize their strategies.