As mentioned earlier talking notes takes a lot of skill. One such skill is the ability to find a method or technique on note-talking, which you are comfortable with. just like in singing, dancing,writing, and other skill-based talents, you need to develop your own style so you can increase the rate you are going or you speed as you go. you should also develop a system of cracking codes regarding symbols and abbreviations. It is perfectly find to use symbols and shortcuts.