This is a type of poem which is made up of seven lines using a set structure: Line 1: Beginning subject. Line 2: Two describing words about line 1. Line 3: Three doing words about line 1. Line 4: A short phrase about line 1 and a short phrase about line 7. LIne 5: Three doing words about line 7. Line 6: Two describing words about line 7. Line 7: End subject. The text forms the shape of a diamond.