Royal Geographical Society, a society in London, England, for advancing geographic knowledge. It provides funds for scientific expeditions. Founded in 1830, it is one of the oldest geographical societies in the world. The society sponsors lectures, publishes The Geographical Journal and Geographical Magazine, and maintains a large collection of maps and books. Royal medals for achievement in geography are given by recommendation of the society. There are about 9,000 members.
World, the earth with its inhabitants and their activities. Earth and world have somewhat the same meaning, but as used here earth refers to the planet while world refers to the earth as lived on and used by humankind.
Continents aren't the unchanging, universally recognized land masses of our school studies. But they do help us make sense of our world. How did they get their names?