A support level is a price point on a chart where an asset, such as Bitcoin, tends to stop falling and may reverse its downward movement. In simple terms, it is a "floor" created by increased buying interest at a specific price range. Support level is critical in technical analysis, as traders use it to identify potential entry points and predict market trends.

Support levels are not fixed values but rather zones where demand increases enough to halt a price drop, and there can be multiple support levels for a currency at a certain point in time. The strength of a support level increases the more times it is tested without being broken, and it can be identified using several methods such as historical price patterns, trendlines, moving averages, Fibonacci retracements, and analysis.