This ancient form of poem writing is renowned for its small size as well as the precise punctuation and syllables needed on its three lines. It is of ancient Japanese origin. It contains 17 syllables in 3 lines of five, seven, five. Haiku poems are typically about nature and usually about a specific season. Writing a haiku requires intense effort but the poem is well worth it. It is easy to feel a sense of perfection when viewing a perfectly formed Haiku.
For more about the Haiku visit the FFP Poetry Forums - Poetic Form and Technique - The Haiku