What is the significance of the title in "A Clean, Well-Lighted Place"? Why is a clean place that is well-lighted important? What does it symbolize?

The famous
short story "" bytells of an old man who sits late at a cafe drinking brandy and the
two waiters who serve him. One of the waiters is young and impatient to get home to his wife.
The other waiter is older and sympathizes with the old man in his loneliness. The story is told
in Hemingway's minimalist style, in which much is implied but not directly stated. We don't know
the names of the characters, for instance, or their backgrounds.

Some clues
throughout the story help us understand the significance of the title. In the beginning, when
the waiters are talking together, we learn that the old man tried to kill himself in despair.
When one waiter asks why, the other says it was over nothing. Later, after the old man has left,
the older waiter parodies the "Our Father" prayer by substituting "nothing"
for most of the words.

The old man once had a wife but doesn't have one
anymore. Apart from his loneliness, he probably feels useless, and...