Meaning: This sentence describes the colorful flowers that are blooming in a beautiful garden. It's like saying,
Choice of Words: "Flowers" is the subject of the sentence. "Bloom" is a verb that describes the opening of the flowers. "Bright" describes the colors of the flowers. "In" describes the location of the flowers. "Garden" is the place where the flowers are blooming. "Fair" describes the beauty of the garden.