Which of the Following Most Accurately Describes Waqf

Which of the following most accurately describes waqf?

A) A tax farming system in which tax farmers remit a fixed annual sum to the treasury and retain the surplus they collect
B) A shari'ah approved practice allowing income from designated property to be set aside in perpetuity for charitable purposes
C) A land holding system in which land was shared and rotated by the members of a community to mitigate risk
D) A fixed, per annum income that is collected by the ulama for lands that they lease for agricultural production