In my last poetry blog we talked about finding strong words and putting them in emphatic positions in the poetic line. The end of the line is most emphatic; the beginning, next-most emphatic. Now we go on to specific kinds of strong words.
As Lawrence Perrine wrote, poetry speaks in "higher voltage" than prose. One essential means of achieving that higher voltage is the effective use of images—words or phrases that appeal to one of the five senses. Why important? Because everything we know about the world we live in comes to us through one or more of the five senses. When we appeal to these senses in writing, we imitate the learning method our readers have used all their lives. Images are not only attractive in their own right: they are essential to gaining reader interest.