In this lesson, you learn various ways of taking measurements both manually and more or less automatically in Praat. You practise visualizing and measuring pitch (or fundamental frequency) from speech signals and you discover some potential sources for error in this type of analysis. YOu learn to create graphs and drawings step by step in the Picture window. You also try the History feature in Praat, which allows "heavy users" to quickly learn to automatize their workflows and to start building Praat scripts of their own.