The term "slogans" is an odd choice of words for this question. If you want to know what Islam is about, start with the five pillars of faith:
A common greeting in Islam is "Salaam alaikum," which means "Peace be upon you."
* Because the Islamic calendar has only 354 or 355 days in a year, compared to about 365 days for the earth's orbit around the sun, Ramadan slowly drifts through the seasons, occurring a few days earlier each solar year. In 2010, Ramadan was in August and September; in 2011, it will be entirely in August.
"There is no God but Allah"
the basic thing in Islam is to believe in that no god with Allah and Muhammed is the prophet of Allah
ISLAM
like stop killing be vegetarian
The holy Qur'an.
"Muslim" is a person who follows the religion "Islam".
Yes, it is a basic rule in Islam.
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.
Basic beliefs and practices.
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.
There is only one version of Islam . If you means sects , than there are many sects but basic two are Sunni and Shia .
Islam accepts five basic duties known as the Five Pillars of Islam. These duties include the declaration of faith (Shahada), prayer (Salat), giving to charity (Zakat), fasting during the month of Ramadan (Sawm), and completing a pilgrimage to Mecca (Hajj) at least once in a lifetime for those who are able.
They differ in only minor details but not in the basic Islam teachings and faith. Refer to question below for more information.