Final answer:
Ellsworth Kelly's artistic background informs his outlook by influencing the choices he makes in his artwork, including the themes, aesthetics, and techniques he employs.
Step-by-step explanation:
The artistic background of an artist like Ellsworth Kelly informs his outlook by influencing the choices he makes in his artwork. Kelly developed his early artwork based on the world around him, drawing inspiration from everyday objects and forms. He combined simple shapes and bold colors to create his unique style. This artistic background shapes Kelly's perspective and influences the themes and aesthetics he explores in his artwork.