Islam simply means to "submit to Allah" (Allah is Arabic for God).
Islam is a monotheistic religion which only worships only one God. It is the second largest religon, having around 1.6 billion followers called Muslims. Therefore, Muslims strive to submit to Allah. Islam is peaceful religion and does NOT encourage terrorism.
The Muslim holy book is called the Qur'an and was revealed to the last prophet of Allah, Muhammad (peace be upon him)*. The Qur'an is a book revealed by Allah to Muhammad (peace be upon him) through Angel Jib'raeel (peace be upon him). It contains all of Allah's commandments and stories from the past. It also corrected some of the mistakes people did knowingly and unknowingly, just to name a few!
Islam has 5 fundamental beliefs every Muslim has to do in order to seek a good life in the world and hereafter! They are called The five pillars of Islam. They are: Shahadah, Salah, Sawm, Zakah and Hajj. I'll explain it more detail next time!
There are also the 6 articles of faith which also are fundamental beliefs every Muslims has to do in order to seek a good life in the world and hereafter! :D. They are: Belief in Allah only, belief in the angels, belief in the holy books sent to all the prophets of Allah ( Taurah, Injil, Qur'an e.g), belief in the prophets, belief in the Day of Judgement, and belief in Allah's predestination!
Informing the beginners on Islam