No matters in what country we are living in, we definitely have a flag as the symbol of our country. Each flag in each country is having its own symbols and colors that carry several meanings. For example, the stars number in US flag is symbolizing the number of state in US. Of course, each country has its own flag and meaning.

 The example above is one of the simplest examples of thing that we can study in Vexillology. The Vexillology is defined to be a study that makes various elements of flags as the main concern. Vexillology might look unimportant, but it has great role in various fields such as in military field.