Describtion of haiku and what are they.

Haiku is one of the most important form of traditional japanese poetry. Haiku is, today, a 17-syllable verse form consisting of three metrical units of 5, 7, and 5 syllables. Since early days, there has been confusion between the three related terms Haiku, Hokku and Haikai. The term hokku literally means "starting verse", and was the first starting link of a much longer chain of verses known as haika. Because the hokku set the tone for the rest …

…not change two traditional elements of haiku: the division of 17 syllables into three groups of 5, 7, and 5 syllables and the inclusion of a seasonal theme. Kawahigashi Hekigoto carried Shiki's reform further with two proposals which are, Haiku would be truer to reality if there were no center of interest in it, and the importance of the poet's first impression, just as it was, of subjects taken from daily life, and of local colour to create freshness.