The world of day trading is an expanse of limitless possibilities. It involves acquiring and exchanging financial instruments within a single trading day. This means that all positions are closed before the market closes for the day.

A person who participates in day trading is known as a day trader. These individuals often employ high amounts of leverage and short-term trading strategies to profit on small price movements in highly liquid stocks or currencies. However, this is not a get-rich-quick scheme; there are risks involved, and hence it needs a solid understanding of the financial markets.

Day trading success hinges on developing a well-thought-out strategy. It means anticipating market trends, setting realistic goals, taking calculated risks and having a firm understanding of the assets you're trading.

Strategies used in day trading vary. Some of the more common approaches include swing trading, arbitrage, and scalping. Scalping is a strategy that aims to earn from small price changes. Swing trading is more about predicting the swings in the market. And arbitrage involves buying a dual-listed stock at a lower price in one market and simultaneously selling it at a higher price in another market.

A day trader should have a deep insight into the market. This includes knowing about market fluctuations, economic releases, and other market-related events. Staying up-to-date with these will help the trader make informed decisions.

Moreover, day trading requires a considerable amount of capital. Given that traders need to buy stocks, commodities, or currencies, they must have enough capital to buy these assets and potentially sell them for a profit. Depending on the market currency, the capital required for here day trading can range from a few hundred to several thousand dollars.

All trading involves risks, and day trading is no different. However, with an effective strategy, these risks can be managed. It's important for traders to set a stop-loss order, which is a pre-designated point at which a trader will exit a trade if the price moves against them. This can help limit potential losses.

The world of day trading is rapid. The stakes are high, and the rewards can be significant. Armed with comprehensive market knowledge, a solid trading strategy, and the readiness to take calculated risks, you can exploit the turbulent seas of day trading. However, it is crucial to stay disciplined and remember the age-old adage: only invest what you are prepared to lose.

To sum up, day trading is not for the faint-hearted, but for those with a comprehensive understanding of the financial markets, a rigorous strategy and nerves of steel. It offers the chance to earn substantial profits, but it also comes with considerable risks. Still, with careful planning and ample trading experience, you could transform day trading into a potentially lucrative venture.