Explanation:

Option 1: Mubarat

- Mubarat is a form of mutual agreement to dissolve a marriage.

- Both parties agree to separate, leading to no hard feelings.

Option 2: Khula

- Khula is when a wife initiates divorce by offering compensation to the husband.

- This offers a wife a route to obtain a divorce.

Option 3: Beena

- Beena isn't a term associated with Islamic divorce or remarriage processes.

Option 4: Iddat

- Iddat is the waiting period a woman must observe after a divorce (talaq) before she can remarry.

- It ensures the paternity of a child and respects the sanctity of marriage.