A more thorough explanation:

Term: petitio
Definition: Petitio is a legal term that refers to a lawsuit filed by a plaintiff, particularly in a case involving property rights. It can also refer to a petition or demand made by someone. For example, in a real estate dispute, a plaintiff may file a petitio to claim ownership of a property. In another scenario, a group of citizens may submit a petitio to their government to demand a change in policy. In both cases, petitio is a formal request or demand made by someone seeking legal or social justice.