The Indo-European language family, which includes languages like English, German, and Dutch, is the largest of the 142 different language families in the world.
Romance languages, which include French, Italian, Spanish, and Portuguese, with more than 900 million native speakers worldwide, descended from Latin, which was the language of the Roman Empire.
Outer circle varieties are spoken in countries where English is not the native language but is used for official purposes like education or government.
RP is considered the “correct” way to speak English, and it is often used by news announcers and other public figures, for which it frequently is referred to as the Queen's English, Oxford English, or BBC English.