The new high or low accompanied by an indicator Divergence doesn't mean prices are going to change direction, only that the prices are moving in that direction at a slower rate. The chart below shows a basic MACD Indicator with the standard parameters. As you can see Divergences do not reverse a downtrend. The only thing that actually can do that is demand-overcoming supply. Divergences are just one technical concept that can help us determine that possibility.
Additional concepts are necessary.
How a trader views Divergence can be made simple or more complex. The indicators from which a trader can choose to do that are numerous. Add the endless number of parameters that can be applied to them and you have a complex subjective situation. This often leads to indecision and a search for the perfect indicator, which ultimately will never be found. What I have chosen to do is not use any of these indicators.