1. Love and Romance: Red roses are the ultimate symbol of love, passion, and romance. They're often used to express deep feelings, desire, and appreciation in romantic relationships.

2. Valentine's Day: Red roses are a classic Valentine's Day gift, representing love and affection.

3. Anniversaries: Red roses are often used to celebrate wedding anniversaries, symbolizing lasting love and commitment.

4. Funerals and Mourning: In some cultures, red roses are used in funeral arrangements to represent respect, admiration, and grief.

5. Political and Social Symbolism: The red rose has been used as a symbol in various political and social contexts, such as the red rose of socialism or the red rose of the Lancashire County Council in the UK.

6. Awards and Recognition: The red rose is often used as a symbol of achievement and recognition, such as the Red Rose Awards in the UK, which honor outstanding contributions in various fields.

7. Beauty and Perfume: Red roses are a popular ingredient in perfumes, fragrances, and beauty products, representing beauty, grace, and elegance.

8. Wedding Decorations: Red roses are a popular choice for wedding decorations, symbolizing love, unity, and celebration.

9. Symbolism in Art and Literature: The red rose has been a recurring symbol in art, literature, and poetry, representing love, passion, and the human experience.

10. Floral Arrangements: Red roses are often used in floral arrangements to add a touch of elegance, sophistication, and beauty.