What are the characteristics of a boaster

This kind of person talks with great eloquence, broad and lofty, but careless, not able to deal with details, and never cares about trifles. The advantages of this kind of people are that they are broad-minded, good at grasping things from a macro and overall perspective, and have a good overall outlook. They often have fantastic ideas in their talks, and are full of originality and enlightenment. The disadvantage is that the theory lacks systematicness and organization, and the discussion can't be detailed and in-depth. Because it doesn't stick to the details, it may miss some important details, which will lay a hidden danger for later disasters. This kind of person is not too modest, knowledge, experience, experience are broad, but not deep, is a broad but not refined type of people.