What is Core Knowledge?
This is the place where you will find the basic principles of Dota. If you are relatively new to the game or have never played at a high level, this should be the section where you begin your journey. For more high level players, however, the Core Knowledge section will be more of a place of reference rather than something they should read through from start to finish.
Here you can view the real How To Approach New Things In Dota 2 guide and see for yourself how easy it is to get started with both Dota 2 and Dota 2 NaVigation.