What's the difference between lunch and pitch

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?

Peter is creative and excels with visual presentation he enjoys working in small groups and in an active environment which jobs would match his personality

The tone of this speech could best be described as expressing a feeling of read the excerpt from president ronald reagan's speech on the night before the 1980 presidential election, i believe we can embark on a new age of reform in this country and an era of national renewal an era that will reorder the relationship between citizen and government, that will make government again responsive to people, that will revitalize the values of family, work, and neighborhood and that will testore our private and independent social fear hope anger pride