Ocean is a vast water body that covers almost three-quarters of the Earth's surface. There are five main oceans - the Atlantic, Pacific, Indian, Southern, and Arctic; each contributing to the planet's ecosystem and affecting the climate. However, many different terms can be used to describe the ocean, such as sea, deep blue sea, briny deep, the blue, saltwater, and many more. Some significant factors that influence the naming of oceans are their location, size, temperature, and color. Synonyms of oceans can be used in storytelling, poetry, or even in daily conversations to give a new perspective on the world's largest water bodies and their diversity.