Mubaah shi ne Khitaab (umarni/saƙo) na Shaari'i wajen bayar da zaɓi tsakanin aikatawa da barin abu ba tare da madadi ba (Min Ghair Badal). Ibaahah (halaccin abu) na daga cikin Ahkaam Ash-Shar'iyah, domin hakan Khitaab ne na mai shari'a, kuma wajibi ne a tabbatar da halaccin abu daga wani Khitaab na mai shari'a wanda ya ambace shi. Wannan saboda Allah Ta'aala ya bayyana Hukm Ash-Shar'iy ga kowane al'amari da kuma dangane da kowane aiki. Allah (SWT) ya ce:

The Mubaah is the Khitaab (address) of the Shaari’ in providing the choice between doing and leaving without alternative (Min Ghair Badal). The Ibaahah (permissibility) is from the Ahkaam Ash-Shar’iyah because it is the address of the legislator and it is necessary for the permissibility to be established from an address of the legislator that mentions it. That is because Allah Ta’Aalaa has explained the Hukm Ash-Shar’iy for every matter and in respect to every action. Allah (swt) said: