During the last thunderstorm, a flurry of tiny gallstones danced across the roof of our house- what type of sentence is this

When first i engaged in this work, i resolved to leave neither words nor things unexamined, and myself with a prospect of the hours which i should revel away in feasts of literature . . –preface to a dictionary of the english language, samuel johnson what is the connotation of the word revel in this passage?

How do the excerpt and diagram complement one another?

This series of works has captured the imaginations of people all over the world. a. incarcerated c. jailed b. seized d. arrested