Choose the odd one out:

3rd option is based on setting while the others are classified on the basis of function. Rural settlements may be classified on the basis of a number of criteria: (i) On the basis of setting: The main types are plain villages, plateau villages, coastal villages, forest villages and desert villages. (ii) On the basis of functions: There may be farming villages, fishermen’s villages, lumberjack villages, pastoral villages etc. (iii) On the basis of forms or shapes of the settlements: These may be a number of geometrical forms and shapes such as Linear, rectangular, circular star like, T-shaped village, double village, cross-shaped village etc.