Courage comes in many many shapes, sizes and forms. While racing into a burning building to save lives and helping out a person who is being robbed are certainly courageous and admirable acts, even smaller occurrences can count as acts of courage.
For example, confronting a bully or asking out a secret crush out on a date both require certain levels of bravery. Therefore, acts full of courage can happen on the grand scale, but also on the smaller, day to day life level.