In crypto trading, time frame refers to the duration or period of time that a trader analyzes and makes decisions on. Different time frames can be used for different trading strategies and objectives.

There are several common time frames used in crypto trading, including:

1. Long-term (Weekly or Monthly): These time frames are used by investors who have a long-term view on the market. They focus on major trends and perform fundamental analysis to make investment decisions.

2. Medium-term (Daily): Traders using this time frame are interested in capturing medium-sized price movements. They analyze daily charts and use technical indicators to identify trends and potential entry and exit points.

3. Short-term (Intraday or Hourly): Traders who use short-term time frames focus on intraday price movements and aim to profit from smaller price fluctuations. They may use technical indicators and charts with shorter time intervals to make quick trading decisions.

It's important to note that each time frame has its own advantages and disadvantages. Long-term trading requires patience and a long-term view on the market, while short-term trading may require more frequent monitoring and can be more stressful.

Traders should also consider their risk tolerance, trading experience, and the volatility of the crypto market when choosing a time frame. They should also be aware that different time frames may provide different views of the market, so it's important to consider multiple time frames when making trading decisions.