During the trading process, here are common professional terms explained:

1. Position: Refers to the proportion of actual investment and invested funds by the investor.
2. Full Position: Using all funds to buy virtual currency.
3. Reduce Position: Selling part of the virtual currency but not all.
4. Heavy Position: When compared to available funds, the share of virtual currency is larger.
5. Light Position: When compared to available funds, the share of available funds is larger.
6. No Position: Selling all held virtual currency and converting everything into funds.
7. Take Profit: Selling the held virtual currency after achieving a certain profit to lock in gains.
8. Stop Loss: Selling the held virtual currency after losses reach a certain level to prevent further losses.
9. Bull Market: Prices continuously rise, with an optimistic outlook.
10. Bear Market: Prices continuously fall, with a bleak outlook.
11. Long (Buy Long): Buyer, believes the price will rise in the future, buys coins, and sells at a higher price after the price increases to make a profit.
12. Short (Sell Short): Seller, believes the price will fall in the future, sells held coins (or borrows coins from the trading platform), and buys back at a lower price after the price drops to make a profit.
13. Building a Position: Buying virtual currency.
14. Averaging Down: Buying virtual currency in batches, e.g., first buy 1 BTC, then buy another 1 BTC later.
15. Full Position: Using all funds to buy virtual currency at once.
16. Rebound: When the price drops sharply, it recovers and adjusts upward.
17. Consolidation (Horizontal Trading): Price fluctuations are small, and the price remains stable.
18. Gradual Decline: The price slowly slides downward.
19. Plunge (Waterfall): The price drops rapidly with a large decline.
20. Cutting Losses: After buying virtual currency, the price drops, and to avoid further losses, sell the virtual currency at a loss. Or, after shorting with borrowed coins, if the price rises, buy back at a loss.
21. Being Trapped: Expecting the price to rise but the price drops after buying; or expecting the price to fall but the price rises after selling.