The word-based description for the given flags and tag description is: "Flags representing various regions in Guyana, including Barima-Waini, Cuyuni-Mazaruni, East Berbice-Corentyne, Essequibo Islands-West Demerara, Mahaica-Berbice, Pomeroon-Supenaam, Potaro-Siparuni, Upper Demerara-Berbice, and Upper Takutu-Upper Essequibo."