A report of what the Prophet said, did or approved, passed on by named narrators from one to the next. The words are the matn; the line of narrators is the isnad, the chain.
What are the six books?
Sahih al-Bukhari, Sahih Muslim, Sunan Abi Dawud, Jami at-Tirmidhi, Sunan an-Nasa'i and Sunan Ibn Majah, the six collections scholars have relied on most.
What does agreed upon mean?
Recorded by both al-Bukhari and Muslim. The strongest thing that can be said of a narration.
Where does the text come from?
The Arabic and the English are from the open editions of each collection, checked against the printed books, with every chain read narrator by narrator. A mistake can be reported from any page.
Can I read the Hadith offline?
Yes, in the WhatSurah app. The six books and the Forties are on the phone the moment it is installed; the other eight come the first time one is opened. Get the app.
The Hadith and the Qur'an. On your phone, offline.
Seventeen collections, the whole Qur'an and Identify, free in the app.