This paper aims to describe linguistic interpretation (tafsir lughawi) as a tool in understanding the language of Koran and sources that can be used references Koran. The types interpretations obtained are with i'rab Al-Quran approach, nahwu, morphology, sharaf, allegory (amtsal), munasabah, qira'ah. Linguistic affect theological, Sufistic, philosophical, scientific sides. is also not just vers...