Meditation is mind training. Just as physical exercise is used to train the body - Meditation is used to train the mind. Read to get your questions about meditation answered.
The sensation of mastery is the feeling that we have a greater command of reality, other people or ourselves. The process that leads to mastery is simple and universal. If you learn the process of mastery in one field, you can apply it to any field. Mastery is not limited to the few elite but available to anybody who makes the time and effort to follow the process.