the basic thing in Islam is to believe in that no god with Allah and Muhammed is the prophet of Allah
ISLAM
The holy Qur'an.
"Muslim" is a person who follows the religion "Islam".
Yes, it is a basic rule in Islam.
no, in Islam there is no such thing as circumbulating graves.
No Islamic leader was forced to convert to Islam. It is a basic and explicit rule in Islam; per Quran; that no compulsion in religion.
Because the five Islam pillars are the basis of Islam religion. The five pillars represent the basic practices for any Muslim. Denying any of these pillars intentionally and knowingly by any Muslam brings him/her out of Islam. Refer to question below for more details.
They are the same thing. Muslims are the followers of the religion of Islam.
There is nothing prominent in Islam such that seven beliefs in Islam. There are these five Pillars and then there are six articles of faith. Nothing more basic or prominent other than that in the religion.
NO! if you are trying to make fun out of islam then you got another thing coming!
There is only one version of Islam . If you means sects , than there are many sects but basic two are Sunni and Shia .
They differ in only minor details but not in the basic Islam teachings and faith. Refer to question below for more information.