What are the distinctive aspects of reality in which Glackens is interested? How do you know?
How does Glackens organize his work to reveal and organize those aspects?
What means does he employ? In other words, how do light, line, color, and space relate to each other?
Is the final painting successful? Do you understand its aesthetic visual meaning?
For extra points: how does Glackens orchestrate the illustrative, decorative, and expressive aspects?