'Aqeedah: The creed and beliefs of a person, usually referring to the correct belief in Allah, His angels, His books, His Messengers, the last day, and in Allah's pre-decree of everything, the good and bad.
Eemaan: Belief or faith which is a conviction and acceptance of the heart, a statement of the tongue, and actions of the limbs. In general, it is to believe and accept everything that Allah has informed of in the Quran or upon the tongue of His messenger, Muhammad. Specifically, it is to believe in Allah, His angels, His revealed books, His messengers, the last day (the Day of Resurrection), and to believe in Allah's pre-decree and destiny, the good and bad of it.
Hadith: Shaykh Muhammad Ibn Saalih Al-Uthaymeen explained Hadith to mean, "Anything that is attributed to the Prophet of statement, action, approval, or description."21 Some of the most famous scholars who have collected and recorded Hadith (and often referred to in this book) are Al-Bukhari, Muslim, An-Nasai, Abu Dawood, At-Tirmidhee, Ibn Majah, Imam Ahmad, and many others.
Imaam: A leader or scholar.
Jaahiliyyah: A pre-Islaamic state of ignorance.
Jahmiyyah: A heretical sect that denies the attributes of Allah that are authentically reported in Islamic texts. They also believe the Quran to be created while it is actually the uncreated, genuine speech of Allah.
Jinn: A creation of Allah coexisting in this world along with mankind, yet one that cannot be seen by people. Allah created them from fire as He created mankind (Adam) from clay. The Islamic legislation is pending upon them just as it is upon people.
Kabah: The honored, black, cubical structure in the centre of the central mosque in Mecca.
Murjiah: A heretical sect that believes complete Eemaan can be achieved merely by the tongue, and that actions are not included in nor necessary for one's Eemaan to be correct.
Shaykh: Usually referring to a religious scholar.
Tawheed: Shaykh Muhammad Ibn Saalih Al-Uthaymeen defined Tawheed as, "Singling out Allah alone in anything that is specific to Him regarding His Lordship, His sole right to be worshipped alone, or His names and attributes."