Trending markets are identified by using swing points patterns, broken down into higher highs, higher lows, lower highs and lower lows. These key points are called swing highs and swing lows and the order they form in can help identify trends, especially in their early stages.
During a bullish trend, price steps upward in a zig zag type pattern. Price will gradually step its way higher forming a staircase look on the chart. Higher highs (or swing highs) in bullish trends is where the market finds resistance, then higher lows (or swing lows) is where the market finds its footing back on support for trend momentum to kick back off from and move into the next higher high. During a downward bearish trend, the opposite is true