A leader is someone who views the job overview keep troubleshooting. The leader is not necessarily the same people all the time. The leader can follow depends on appropriate.
Leaders are people who have an overview of the work. We fix Leaders do not need to be the same all the time. Leadership can be followed up with appropriate.
The leader is the one who must look at the whole of work to solve the problem. The need is the same at all times. Leaders can follow depends on appropriate.