It is a price structure that keep repeating itself almost exactly or with little changes on different times frame. It is usually completed on one time frame before copying and pasting itself all over the place. As one can see, this is great because one can just look at what has happened before, and use it as a roadmap. Indeed, a bullish engulfment can become fractal.Really, it is a predictive fractal pattern.For example, a bullish engulfment is completed on the monthly chart. If it is a fractal bullish engulfment, one can start seeing some baby bullish engulfment patterns on the daily, hourly and 10M charts and other time frames.
One wants to identify which pattern is fathering the other baby fractal patterns. Sometimes, it could be a 15M or 4H or daily chart's bullish engulfment that turns fractal.