The right indicator depends on how often you trade some are for 1,5 minute frames and others are for longer time frames the important thing is knowing when to use which. As you are a beginner, read and follow the ones you understand most since there are some very complicated ones and then come the combinations, which are for non beginners. Here is a list of some of the most popular ones. http://www.tradeviewforex.com/15_most_important.html