• Rāwī (راوی): A person who transmits a Hadith.
• Ruwāt (رواۃ): The plural of rāwī; the people transmitting it.
• Sanad (سند): The sequence of narrators—who transmitted from whom.
• Matn (متن): The wording that follows the sanad.
You can now distinguish the person, the transmission sequence and the Hadith's wording in a given example.