A wick is exchange slang describing a sharp and very rapid drop in an asset's price over a short period of time, usually within one or two candles on a minute timeframe.

An order book is a table of all active limit orders to buy and sell an asset, sorted by price. It shows supply and demand and helps assess the market's liquidity.

A wall is a very large limit order to buy or sell that is capable of slowing down price movement. A distinction is made between a buy wall and a sell wall.

FUD is the spreading of fear, uncertainty, and doubt with the aim of influencing market sentiment. In the crypto space, the term describes a negative information backdrop that can distort the perception of a project.

A stop order is a pending order to buy or sell an asset that is triggered when the price reaches a specified level. The tool helps automate trades and limit risks.