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!
1 Baby talk at 12 months. Most babies say a few simple words such as 'mama' and 'dada' by the end of 12 months - and now know what they're saying.  Baby talk at 18 months. By this age, babies may use up to 20 simple words, like daddy, dog or cup.