One of the most important indicators of market direction is trend lines. The formation of trend lines is one pattern that color traders frequently search for. Visual indicators of a mbest aviator apparket trend's strength & direction are called trend lines. Traders can predict future movements in the market and modify their trading strategies by spotting trend lines on color charts. Levels of Support and Resistance: Guidance for Trading Decisions. Knowing support and resistance levels is a crucial component of color trading trends and patterns identification.