Understanding is the key to great communication.
When you are able to understand how others are made up, you will be better able to figure out what your make up in the world is. When you are improving your understanding of others, self-development for education and career will come into play.
You will be able to learn from others as well as take in their feelings and be more efficient to there needs and wants.
You may have to learn about others for school or for work.
The best thing to do when you are trying to understand others is to be around them as much as possible. If you are looking to learn about others and see how they are made up, you can spend time with them and do the research from there. You can listen to them speak and communicate with them so that you can better understand what they are feeling and how what they think about certain things