These are large, continuous, discrete masses of land separated by expanses of water.

continents

Explanation:

Continents are large masses of land that are distinct and continuous and are separated by water. There are seven continents in the world and these are the following:

1. Asia - the largest continent

2. Africa

3. North America

4. South America

5. Antarctica

6. Europe

7. Australia - the smallest continent

In other countries like Russia and Japan, continents are classified into six only. Europe and Asia are combined and are called "Eurasia." Most countries which speak English (Philippines, U.S.A., U.K., etc.) classify the continents into seven groups.