Short Story Joe's Store To Buy A Gun

The writer wanted readers to get fucus on the story, on the imagery of the gun. Setting in the story is not explained clearly. Only explained by a simple way. Like in the first sentence, "Dave struck out across the fields, looking homeward through paling light". Where is the place of the field? In front of his house? Or who is the owner o the field? We don't know, because is not clear enaugh. The setting of the story begins on the filed when Dave, the main character of the story, would go to the store to buy a gun. Dave strucked out across the field. The time was not explained when dave through the field. Suddenly in the story dave has arrived at a shop owned by Joe. At Joe's store there was a strong smell of coal oil. So, I think that Joe's