A book about Harry Poterre relied heavily on the characters of the novel's creator in his book. For example, the role of color-red shadows symbolize in the novel courage, kindness and generosity. So Gryffindor students dressed in scarlet robes, red ink at Harry and the Hogwarts express train painted in Crimson. In addition, the whole family Weasley red hair and the red roof of the House. Green color, by contrast, is associated with negative, betrayal, evil. The figures in the novel, too, have their value. The main figures in the "Harry Potter" are 2, 3, 4 and 7. The trio of main characters has a special power, means unity. And the students at Hogwarts learn seven years in Quidditch gaining for seven people.