The world of day trading is an expanse of endless potential. It involves acquiring and exchanging financial instruments in the span of one trading day. This means that all positions are settled before the market closes for the trading day.

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

Successful day trading requires developing a well-thought-out strategy. It means anticipating market trends, setting realistic goals, taking calculated risks and having a solid understanding of the assets you're trading.

Strategies used in day trading vary. Some of the more common ones include arbitrage, scalping, and swing trading. 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 knowledgeable decisions.

Moreover, day trading requires a sizeable amount of capital. Given that traders need to buy stocks, commodities, or currencies, they must have enough capital to buy these assets and possibly sell them for a profit. Depending on the market currency, the capital required for 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 fast-paced. There's much at stake, and the rewards can be significant. By arming yourself with comprehensive market knowledge, a solid trading strategy, and the readiness to take calculated risks, you can navigate the turbulent seas of day trading. However, it is crucial to maintain here discipline and remember the age-old adage: don't invest more than you can afford to lose.

To sum up, day trading is not for the risk-averse, but for those with a comprehensive understanding of the financial markets, a robust strategy and nerves of steel. It offers the chance to earn substantial profits, but it's also fraught with considerable risks. Still, with meticulous planning and ample trading experience, you could convert day trading into a potentially profitable venture.