Concrete Poems

I've been researching concrete poems recently.

The definition is something like poems in which the layout is as important in conveying the intended effect as the conventional elements of the poem, such as the words, rhythm, rhyme and so on.

Dom Sylvester Houedard is a name that came up. See what he does with words

and how about this clever piece from Nicola Simpson

But there's needs to be something more to it than cleverness. It has to say something with both the words and the shape working together.

or this one