Poetry Japanese formal poetry (which was generally referred to as "waka"), and was used more heavily to explore personal rather than public themes. By the tenth century, tanka had become the dominant form of Japanese poetry, to the point where the originally general term "waka" ("Japanese poetry") came to be used exclusively for tanka. Tanka are still widely written today. Haiku is a popular form of unrhymed Japanese poetry, which evolved in the 17th century from the "hokku", or opening verse of a renku. Generally written in a single vertical line, the haiku contains three sections totalling 17 "onji", structured in
Haiku in non-Japanese haiku or by modern writers of Japanese "free-form" haiku. The best-known Japanese haiku is Bashō's "old pond": This separates into "on" as: Translated: Another haiku by Bashō: This separates into "on" as: Translated: This haiku by Bashō illustrates that he was not always constrained to a 5-7-5 "on" pattern. It contains 18 "on" in the pattern 6-7-5 ("ō" or is treated as two "on".) This separates into "on" as: Translated: This haiku by Issa illustrates that 17 Japanese "on" do not always equate to 17 English syllables ("nan" counts as two "on" and "nonda" as three.) This separates