Learning to solve puzzles can be considered an example of the dimension of development.

Learning to solve puzzles can be considered an example of the cognitive dimension of development. Cognitive development is defined as the  a field of study in neuroscience and psychology concentrating  on a child's development in terms of information processing, conceptual resources, perceptual skill, language learning, and other phase of brain development and cognitive psychology compared to an adult's point of view. Therefore, cognitive development is the emergence of the ability to think and understand.[

answer; ///the (iroquois) cultures was made up of several groups, who spoke a common language