What does Numbers 27:1 mean?

One day, the daughters of Zelophehad—Mahlah, Noah, Hoglah, Milcah, and Tirzah—came forward. Their father was Zelophehad, a descendant of Manasseh, who was a son of Joseph. Numbers 27:1 - Modern Text Bible

(This introduces five sisters whose father died without sons. Their story is about inheritance and fairness.)