In this video, you will learn about support and resistance. Support is a level that prevents price from falling further down. This is a level that attracts the attention of the buyers. As buyers start buying at this level, it increases the demand of an asset. You can use the horizontal line tool available on your MetaTrader platform and the trendline tool in case of an uptrend.
A resistance level is one which prevents price from rising further. Sellers arrive at this point and push the price downwards, which decreases the demand, and increases the supply for an asset. You can use the trendline tool to draw a bearish trendline on your chart. When a support level breaks, it acts like resistance. Similarly, when a resistance level breaks, it acts like support.