Continental slope and Territorial waters

Continental slope noun - The steep descent of the seabed from the continental shelf to the abyssal zone.

Territorial waters and continental slope are semantically related. in ocean floor by continent topic. In some cases you can use "Territorial waters" instead a noun phrase "Continental slope".

Territorial waters noun - The waters surrounding a nation and its territories over which that nation exercises sovereign jurisdiction.

Continental slope and territorial waters are semantically related. You can use "Continental slope" instead a noun phrase "Territorial waters".