Ahxnad Shãkir’s ‘Introduction to Sunan At-Tirmidhi,’ where he refers this to ‘Aridat
Al-A hwadhr:
In his Sunan, Tirmidhi(Died on 279H) mentioned much of what he learnt from Al-Bukhäri concerning narrators and benefits from the narrations. He authored  Al-Jãmi’, and it is this book, more commonly known as Sunan At-Tinnidhi.
- Chains of narration (Asnad);
- Authenticity (azah);
- Weakness (Da’afa);
- Multiple routes of transmission (Turuq);
- Disparaging remarks regarding narrators (Jarz);
- Endorsing remarks regarding narrators (‘Addal);
- Names of narrators;
- Kunyah (surnames) of narrators;
- Connected narrations (Wasal);
- Disconnected narrations (Qata’);
- The clearest of what is to be acted upon;
- What is abandoned of narrations;
- Clarification of the differences of the scholars in rejecting and accepting
narrations; - Mention of their differences in interpretation of the narrations.
Source: Jami` At-Tirmidhi (Volume 1)-Muhammed b. Isa et-Tirmiz