An ocean is a body of saline water occupying a basin between continents.
The oceans of the world are:
1. The Pacific ocean
2. The Atlantic ocean
3. The Indian ocean
4. The Arctic ocean
5. The Southern ocean
A wave is a ridge of moving water in the ocean.
Wave erosion results in the formation of features like:
1. Cliffs
2. Wave-cut platform
3. Arch
4. Stack
5. Blowhole
6. Caves