Assets and Markets: The assets you trade can be stocks, currencies (forex), commodities (like oil or gold), or even options contracts. Each has its own marketplace where buyers and sellers meet. Buying and Selling: You don't directly own the underlying asset (like a company) when you buy a stock. You're buying the right to represent ownership of a share. Buying happens at a bid price (what someone is willing to pay), and selling happens at an ask price (what someone is willing to sell for). The difference is the spread, the broker's commission. Making a Profit: You profit when you sell an asset for more than you bought it for. For example, if you buy a stock at $10 and it goes up to $15, you can sell it for a $5 profit per share. Short Selling (Optional): This is a more advanced strategy where you borrow shares you think will go down in price, sell them immediately, and then buy them back later at a hopefully lower price to return to the lender. The profit is the differe...