Difference between synchronized and delayed needle timing

Synchronized timing	Delayed timing
1.when the needle of two positions coincide with the yarn being pulled in an alternating manner in two directions ,then it is known as synchronized timing	1.when the two positions of needles make a difference in time to pull the yarn one after another then it is known as delayed needle timing
2.It is called jacquard 22 timing	2.It is also called rib or interlock fabric.
3.Yarn tension is more than delayed timing	3.Yarn tension is less than synchronized timing