…a boundary between two contrasting groups, cultures, etc. that is regarded as very difficult to ignore or overcome…
…the gulf between those who have ready access to computers and the Internet, and those who do not…
…the main series of mountain ridges in North America, chiefly the crests of the Rocky Mountains, which form a watershed separating the rivers flowing eastwards into the Atlantic Ocean or the Gulf of Mexico from those flowing westwards into the Pacific…
…the policy of maintaining control over one’s subordinates or opponents by encouraging dissent between them, thereby preventing them from uniting in opposition…
…divide (something that has already been divided or that is a separate unit)…
