Angles. An angle measures the amount of turn. Names of Angles As the Angle Increases, the Name Changes:
By the time your baby is 12 months old she will probably use the words mama and dada and know exactly what she's saying. However, she may also still babble short sentences that sound like she's fluent in a foreign language!
When do babies start talking? Your baby learns to talk during his first two years of life. Long before he utters his first word, he's learning the rules of language and how adults use it to communicate. He'll begin by using his tongue, lips, palate, and any emerging teeth to make sounds (cries at first, then ooh's and ahh's in the first month or two, and babbling shortly thereafter).