You know, a lot of blog posts promise to show you how to grow your blog and bring traffic in. And then they go and copy/paste a bunch of other bloggers, change two or three words, and then publish. Then wonder why no-one read, commented or shared. Somehow I don't think you'll have this problem, Brankica - this is one of the most solid pieces on traffic generation around. Great stuff, miss, and something every blogger can take something away from.
Beyond organic and direct traffic, you must understand the difference between all of your traffic sources and how traffic is classified. Most web analytics platforms, like Google Analytics, utilize an algorithm and flow chart based on the referring website or parameters set within the URL that determine the source of traffic. Here is a breakdown of all sources: