- Danger: Red is often used to signify danger or warning, such as in traffic lights, stop signs, and fire alarms.
- Passion and love: Red is also associated with passion and love, which is why it is often used in romantic contexts, such as on Valentine's Day.
- Power: Red can be seen as a symbol of power and strength, which is why it is often worn by military personnel, politicians, and other leaders.
- Communism: Red is the traditional color of communism, and is often used to symbolize socialist and communist movements.
- Alertness: Red is also associated with alertness and excitement, which is why it is often used in sports teams' logos and uniforms.
- Patriotism: Red is one of the colors of the American flag, and is often used to represent patriotism and national pride.