You seem too confused with a bundle of questions, thats because you are trying to gulp the information at once.
Patience; as I always say, is an essential tool in Magick.
See, if you are new to Magick, you need to start from the top. Learn about magick and how it works. You need to research a lot about the topic.
Then, when you think you are ready to start, start with the Basics of magick. The Basics are Meditation, Visualisation, Grounding, Centering, Shielding, Tools, Correspondances, etc. The link to the Basics is-
The link to the Basics Expanded is-
You need to practise them thoroughly and then only, you may move on to spells casting.
Now, there is no such thing as Black or White, it is just a title given. What depends is your intention. Intention is the determining factor of White or Black Magick.
So, you need to learn slowly and patiently. There is no fast or quick way to magick. It needs time, patience and dedication?g