Text structure: an introduction and three disciplines—Maʿani, Bayan, and Badiʿ.
Maʿani: avoids error in conveying the intended sense as appropriate to context.
Bayan: concerns clarity of intended meaning and avoidance of conceptual obscurity.
Badiʿ: examines appropriate verbal and semantic embellishments.
A science introduction prepares the student to enter the subject's problems. A book introduction precedes and serves the purpose of a particular text. These may overlap.
The next lesson begins the formal discussion of fasaha and its conditions and obstacles.