An act of bravery refers to a courageous and heroic action taken by an individual in spite of fear, danger or risk. It involves taking a bold step towards facing a challenge that requires great courage and selflessness. An act of bravery can be performed in various situations such as rescuing someone from danger, standing up for what is right even if it means going against the majority opinion, or putting oneself in harm's way to protect others. It takes immense strength and determination to perform an act of bravery, and those who do so are often admired and celebrated for their courageous actions.