Mobilization is the behavioral result of motivation. It's the level of energy committed to volition.
Volition is a term often used in texts on motivation. It represents the act that concretizes the will. "In simple terms, volition is the effect of a cause, and that cause is the will[1]".
Mobilization is the set of acts, behaviors, and volitions that stem from will, desire, and motivation.
Mobilization in the workplace can be broken down into three levels:
[1] https://en.wikipedia.org/wiki/Voluntary_action