Locked player - a trader who is in a losing position, waiting for the price to return to the breakeven zone or to go into profit.

Volatility – High dynamics of price changes over a short period of time.

Leverage is a loan that the exchange gives to the trader to make a transaction for a larger amount than the trader's own capital in the account.

Trend break in Short - breakout confirmed by the last Low on the selected timeframe (see more in the "PP" chapter).

Trend break in Long - breakout confirmed by the last High on the selected timeframe (see more in the "PP" chapter).

Spike - the term applies to any level on the chart (POC, horizontal, PP, etc.). It indicates a situation in which the price has passed beyond the level - and returned back with the same or next 1-2 candles.

Breakout – the price has moved beyond a certain level and currently remains beyond it. Typically, the price confirms breakout of strong levels from the opposite side.