Break of structure is one of the most overused phrases in trading. Used precisely, it's one of the most useful; used loosely, it turns every candle into a signal.
1. Structure is a sequence
A trend is a sequence of highs and lows: rising highs and rising lows up, the mirror down. Structure isn't a line you draw, it's the pattern those swings make. Edo Structure maps the swing points so the sequence is explicit.
2. A break is a change in that sequence
A break of structure is when the sequence flips: an uptrend prints a lower low that takes out the last defended swing, or a downtrend prints a higher high. Anything smaller is a fluctuation inside the current structure, not a break of it.
3. Not every low counts
The low that matters is the one that produced the last leg up, the origin of the move. Breaking a random intrabar low is meaningless. Breaking the swing that built the trend is not.
4. Break, then confirm
A break of structure opens the door; it doesn't walk you through it. Price often breaks, retests and only then commits. Treat the break as a change of context, not an instant entry.