Senryu?

[milo]

yes it's called a juxtaposition and usually it works with two abstracts,

in the haiku, the cutting word is used as punctuation, ie a Caesura or period. the haiku has two contrasting images both

from wiki (cos it was the easiest )

A kireji fills a role somewhat analogous to a caesura in classical western poetry or to a volta in sonnets. Depending on which cutting word is chosen, and its position within the verse, it may briefly cut the stream of thought, suggesting a parallel between the preceding and following phrases, or it may provide a dignified ending, concluding the verse with a heightened sense of closure.

i understand what you're saying about a statement of the main metaphor in a sonnet

unlike the sonnet, the haiku has no main metaphor for the cut to make a statement about about. it plays one image of another; this line is just conjecture on my part based on what i've been reading on haku and i do realise or think you have a much greater knowledge of poetry compared to mine.

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ihave to piss off for now but thanks for the input milo. i'll do a bit more reading on the subject

I would say you actually know quite a bit more than I do about Haiku and probably eastern poetry in general. The debate may come from the disparity between the original intention of Haiku (eastern) and our current usage(western)

The reason Ray sees metaphors in Kigo is because Ray knows there are metaphors in everything, but these are /reader/ metaphors as they are neither deliberate nor deducible so, for our purposes, Kigo are not metaphors.

The pivot is another matter and I know many authors do not even use a pivot but for those who do, it is a deliberate and deducible writer controlled comparison and in western poetry that means metaphor. One of the members on this site (fogglethorpe) does a good job of this. Look at these 2 that he posted to this site:

crow
on a streetlamp-
town crier

all night market-
a drifter and a dog
share a burrito

the pivot sets up a clear and deliberate comparison and in western poetry, that means metaphor.