Index Of Jpg/private How Does A Radical Index Work In A Chinese Dictionary And How Can I Identify A Characters Radical?

How does a radical index work in a Chinese dictionary and how can i identify a characters radical? - index of jpg/private

I am learning Chinese, and it just a Chinese Dictonary Dictionary
I still do not understand read about the use of radical explanition several times and prices. How do abused and how the radical work of the individual characters that seem to have any more of them? I do not think it is fair that there should be a radical effect.