Concept:Tajwīd is the set of rules for pronouncing the letters and words of the Qur’ān correctly.Explanation:The main purpose of Tajwīd is to help a reciter pronounce every letter and word accurately.It ensures that each letter is given its proper right and characteristics.It prevents mistakes in pronunciation that could change the meaning of the Qur’ānic verses.While Tajwīd may indirectly help with translation or memorization, its direct and primary aim is correct recitation.Answer:B. Ensures correct recitation of the Qur’ān.