Difference between leader and managers

Is there a difference between managers and leaders? Both words seem to have become synonymous even though they describe different people and not to mention techniques. In my opinion they do not mean the same thing.
A manager can be defined as someone who is responsible for controlling or administering all or part of a company or similar organization. By this definition it seems like a manager just needs to know how the company operates and what is needed to get the end result. A leader is defined as person who leads or commands a group or organization. By this meaning, a leader needs to know how the people underneath him or her operate and what do their followers need in order to get the end result. In other words, I believe a manager is more company focused whereas a leader is more people focused.
In my experience in the military, I have come across many managers. The way they usually get results is by the ‘you better get it done’ philosophy. Employee’s needs take a backseat to the demands of the company or organization. The end product is all that is sought after regardless of how the work environment suffers. Managers are usually looked upon for work tasks, duties, etc. Employees regard managers as just the boss nothing more nothing less. They are just there to dictate to them what there objective is.
The leaders I have experienced have always understood what it took to motivate and get his/her followers to accomplish the organizations mission. People respond better when their needs are addressed and there is an honest attempt made to accommodate those needs without hindering the organizations goals. Examples can be employees that desire recognition, self-empowerment, etc. Leaders pay close attention and know that not every individual works the same. Adjustments need to be done in order to get management the bottom line product.
People follow leaders, not managers. If a company is employee focused, then they will seek out leaders, if it is solely...