imagism (n.) Look up imagism at Dictionary.com
name of a movement in poetry that sought clarity of expression through use of precise visual images, "hard light, clear edges" [Pound], coined 1912 by Ezra Pound; see image (n.) + -ism. Related: Imagist.
—Say it, no ideas but in things—
nothing but the blank faces of the houses
and cylindrical trees
bent, forked by preconception and accident—
split, furrowed, creased, mottled, stained—
secret—into the body of the light!

[William Carlos Williams, from "Paterson"]