The absolute oneness of Allah — in lordship, worship, and names & attributes.
Associating partners with Allah; the greatest sin if not repented from.
Faith: belief in Allah, His angels, books, messengers, the Last Day, and divine decree.
Worshipping Allah as if you see Him, knowing He sees you.
Disbelief or rejection of the truth.
Hypocrisy — outward faith with inward disbelief.
Repentance: regret, ceasing the sin, and resolving not to return.
Seeking Allah’s forgiveness, often saying «Astaghfirullāh».
Remembrance of Allah by the tongue and heart.
Supplication; calling upon Allah.
The obligatory prayer performed five times daily.
Fasting; abstaining from food, drink, and desires from dawn to sunset.
The obligatory annual charity on qualifying wealth.
The pilgrimage to Makkah, obligatory once in a lifetime for the able.
The minor ritual ablution before prayer.
The major ritual wash of the whole body.
Dry ablution with clean earth when water is unavailable.
Islamic jurisprudence — the understanding of rulings.
A school of Islamic law (Ḥanafī, Mālikī, Shāfiʿī, Ḥanbalī).
Scholarly consensus of the Muslim community on a ruling.
Analogy — extending a ruling to a new case sharing the same cause.
The sayings, actions, and approvals of the Prophet ﷺ.
A report of the words or actions of the Prophet ﷺ.
A newly invented matter in religion without precedent.
Lawful and permitted in Islam.
Forbidden; a sin to commit.
Disliked; leaving it is better, though not sinful.
Recommended; rewarded if done, no blame if left.
Patience and steadfastness in obedience, hardship, and avoiding sin.
Gratitude to Allah through heart, tongue, and action.
Reliance upon Allah after taking the means.
Sincerity — doing deeds purely for Allah.
Thinking well of Allah and of others.
Keeping ties of kinship.