Language Universals: Such features are shared by all human languages. Convergence occurs when children are introduced to a variety of feedback but converge on the same grammar. Stimulus Poverty: Children gain information about which there is little proof in the input.
Explanation:A mast is a pole that rises vertically from a ship and supports the sails. Really big sailboats have more than one mast. A mast is also another name for flagpole.