One of the keys to chart synthesis is learning how to interpret the rulers of the 12 houses when they are in different houses. For example, what does it mean when the ruler of the 7th house is in the 11th house, or when ruler of the 10th is in the 9th? In this lecture you will learn how to interpret these placements, as well as how to identify when the topics associated with them will become activated at specific years in the life of the native by using a timing technique known as annual profections.