I'm very interested in the materiality of language. I wonder if, perhaps, this comes from my background in the visual arts. I was a potter for a number of years and earned a BFA in art before going to graduate school for creative writing.
Because I love narrative but am more lyrically inclined, I've learned that if I freight titles with narrative information (the who, what, when, where, why of the poem), I can get to my main interest, which is the language, and where it wants to take me. If I can establish the poem's occasion in the title, then so much the better for my freedom to associate.
I'm a compulsive enjamber. I'm drawn to half-meanings created by the line, so that's definitely an element of craft that's always on my mind. And I'm a big devotee of the short line, of couplets and tercets, and of irregular stanzas with lots of white space. I've got to give the dense language room to breathe!