The Last Leaf — Important Questions

She would die

Johnsy had convinced herself that when the last leaf fell from the ivy creeper, she would die. She said 'When the last leaf falls, I will die' with finality.

A sixty-year-old painter living on the ground floor

Behrman was a sixty-year-old painter who lived on the ground floor of the same building where Sue and Johnsy lived.

To paint a masterpiece

The story mentions that Behrman's lifelong dream was to paint a masterpiece, but it had remained just a dream until the end of the story.

She talked about clothes and fashions, She brought her drawing-board and painted, She whistled while working, She brought soup for Johnsy

Sue tried multiple ways to help Johnsy: talking about clothes and fashions, painting in her room while whistling to distract her, and bringing her soup. She did not call many doctors - only one doctor was mentioned.