1. Philippine Waters: All bodies of water, including seas, gulfs, bays, and more, connecting the Islands of the Philippine Archipelago
2. Vessel: Any vessel or watercraft used for transport of passengers and cargo through Philippine Waters
3. Philippine Highway: Any road, street, passage, highway, bridges, railway, or railroad within the Philippines used for movement or circulation of persons or transportation of goods
4. Piracy: Any attack, seizure, or taking away of a vessel, its cargo, equipment, or personal belongings by means of violence, intimidation, or force in Philippine waters
5. Highway Robbery/Brigandage: The seizure of any person for ransom, extortion, or other unlawful purposes, or the taking away of property by means of violence