In an upward trend, each rise breaks through the previous high and creates a new high.

  Each correction's low must be higher than the previous starting point.

  In a downward trend, each decline breaks below the previous low and creates a new low.

  Each rebound must be lower than the previous high.

  In a range-bound market, highs are generally similar, and lows are also relatively stable.

  The skill to determine whether it is a trend or a range lies in handling the strength and weakness relationship.