change - a relational difference between states; In particular between states prior to and soon after some party; "he attributed the change for their relationship" " We define the "engraphic impact" of the stimulus as the impact in creating a difference between the principal and secondary indifference-states, and this https://heatcoolcyclingequipment68901.blogdigy.com/the-fact-about-custom-thermal-test-equipment-that-no-one-is-suggesting-54064676