Haiku, Japanese poem of three line. Made out of 5, 7 and 5 syllables. In Japanese on replaces syllables, it meaning sound units. Originally it was supposed to include a kigo, season word, expressing a connection to nature. Also, it only deal with one single mood. Here are some made by Mexican authors, and the African American author Richard Wright.
the flowing tears
of the black prostitute,
clear – like mine!
(José Juan Tablada – 1922)
721
As my anger ebbs,
The spring stars grow bright again
And the wind returns.
737
In the summer sun,
Near an empty whiskey bottle,
A sleeping serpent.
776
Empty autumn sky:
The bright circus tents have gone,
Taking their music.