80-95% of all Chinese characters are Sound-Meaning Compounds, in which one part of the character represents, with varying degrees of accuracy, the sound, and the other part the rough meaning. Characters which share the same sound element (or phonetic element) make up families of characters with similar pronunciations.
The (relatively) logical internal structure of this type of character makes it possible to learn them in their phonetic families.
This is the best system there is for learning the vast bulk of characters, and this course shows how you can use this system to learn characters efficiently, in these natural families, how you can distinguish visually similar characters, and best of all, almost from the start, to read characters you've never seen before in your life!