One thing interesting about the setting in the short story "Through the Tunnel" is that author Doris Lessing carefully uses word choices to show the striking contrast between the beach and the enticing rocky bay, and the contrast helps set the mood of the story and develop the major theme.
Marriage difficulties adversely affect parent-child communication.
Its the spread of disease from one person to another but it dose no have to be a disease
TP NARRATE THE CONSEQUENCE OF CONTRACTING THE DISEASE