The document defines vocabulary words used in the short story "All Summer in a Day" including: 1) Compounded which refers to thousands of days filled with continuous rain. 2) Slackening which means lessening or slowing, used to describe the rain slowing. 3) Vital which means necessary to life, used to describe the importance of the children experiencing sunshine. 4) Savagely which means fiercely or wildly, used to describe how a boy cried out.