Questions about satan/satanism!?

Is satan and lucifer the same thing?

Or was satan lucifer before he became satan?

Why did god hate/attack/deny satan?

Why did he send him to be god of hell?

Why is his number 666?

Why 3 6's specifically?

Why 6?

Why does he need a number?

What is the seal/sigil of lucifer/satan?

What does it represent?

Where does it come from?

What is the grimoire of truth? (grimorium verum)

What is a grimoire?

What type of magic does Anton LaVey practice? Black Magic?

What is the difference between Greater and lesser Magic?

Is it possible to learn how to perform these magics?

Is it possible for anyone to cast spells/curses/hexes if they do it right?

What is a black candle?

Are they necesary for performing hexes and curses?

Do I have to make one or can i buy them?

Why is an upside down pentagram satanic?

Is it becuause it can shape a goats head?

Or is there more to it than that?

What does a pentagram represent?

Why are goats satanic?

As far as you know, are there any local stores that would sell an upside down pentagram necklace?

Or would I have to buy one online?

Thank you!!! And please use as simple english as you can, i tend to zone out and not understand much when i read a series of big words in a row :/