ground: knife handles/tuning pegs; bloodstreaks/strings
tension: sharp points at the head of the guitar
target: a man's legs
source: smoke stacks
ground: long cylindrical forms
tension: size differences as well as masonry/flesh
target: Ronald McDonald, cows
ground: cows in women shape surrounding Ronald
target: words and suggestive phrases
source: a city street layout
ground: lanes, bridges, thoroughfares
tension: words, not building footprints
target: two wounded soldiers
source: one single operating soldier
ground: the existence of physical bodies, limbs, etc.
tension: four arms, two legs, unlike a single human being.