Iconic gestures are different from other gestures in that they are used to show physical, concrete items. Iconic gestures are useful as they add detail to the mental image that the person is trying convey. They also show the first person or second person viewpoint that the person is taking.
Contract litigation is the pursuit in court of legal remedies when contracts are broken or otherwise become subject to dispute.
A settlement, as well as dealing with the dispute between the parties is a contract between those parties, and is one possible (and common) result when parties sue (or contemplate so doing) each other in civil proceedings. The plaintiff(s) and defendant(s) identified in the lawsuit can end the dispute between themselves without a trial.