Examlex
The eardrum converts physical movement into physical sound.
Concept
An abstract idea or a mental symbol, typically associated with a fundamental characteristic of a thing or a thought.
Symbolic Thought
A major accomplishment of preoperational intelligence that allows a child to think symbolically, including understanding that words can refer to things not seen and that an item, such as a flag, can symbolize something else (in this case, a country).
Language Development
The process by which individuals acquire the capacity to perceive, produce, and use words to understand and communicate.
Hemisphere
Half of a spherical or roughly spherical body, especially one of the halves into which the earth or brain is divided.
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