As well as in the Snatch the Clean and jerk is also divided in Actions, periods and phases.
The same as in the snatch the importance we put the the bar path (specially in the jerk due to its complexity) is key;
A very common errr among beginning weightliftres is that they lift their hips firat and try to clean the bar with their arms. The brain will always tend to use the weaker muscles first. Proper tarining of the clean technique will lead to use the different muscla groups in the correct order to have a very effective clean..