Only human beings, using the unique human cortex, have been able to make a large variety of sounds and to assign abstract, symbolic, conventional meanings to those sounds. The result has been human language in hundreds of forms, including English, French, German, Swahili, Spanish, and Portuguese.
When a child begins to consistently use a vocabulary of at least ten words and at least two couplets, and to do so spontaneously and meaningfully, he or she has earned a Talking Victory.