Close-up of a diagram showing points and details for strategy planning.

A Tree Is Not the Whole Story

Language families are often drawn as trees, with branches splitting from a common ancestor. It is a powerful picture, but it can hide what happens next.

Language Trees and Dialect Continua

Serene image of gentle water ripples creating smooth concentric rings on a tranquil surface.

Languages Keep Touching

The tree model suggests separation after the split. The wave model instead highlights what happens when neighboring languages stay in contact and keep influencing each other.

Language Trees and Dialect Continua