Issues of expressions (words

synonymy and homonymy

Literal meaning and Metaphoric meaning

legal reality words of legal meaning(haqiqahshar‘iyah

derivation

kinds of significa

polysemy (using an expressions (term) in several meanings

commands and prohibitions

concepts

general and particular, absolute and conditioned, ambiguous and clear, abrogating and abrogated

Issues of authority

authority of the Qurān

authority of tradition (Sunnah

authority of intellect

authority of the exteriors as proof

contradiction of proofs