A. The Yoruba people of Nigeria classify their towns in two ways. Permanent towns with their own governments are called "ilu", whereas temporary settlements, set up to support work in the country are "aba". Although ilu tend to be larger than aba, the distinction is not one of size, some aba are large, while declining ilu can be small, but of purpose. There is no "typical" Yoruba town, but some features are common to most towns.