reading every chart / candle must understand trading indicators, you can start from studying that section because it is the most important basis.
it's not easy to just study theory, it's better to understand it when you are in an open position and then start choosing the TF you want to use, if you understand this basis then you will easily determine the strategy you want.
knowing various types of candle sticks does help to analyze the market. but I don't think we should rely too much on candlestick patterns, because not all are true. therefore we must have some consideration of the indicators, so that our analysis will be even more valid