What kind of Word is of

What is a glossary? a statement of the author’s purpose in writing the book, which may include suggestions for using the book a page at the front of a book that lists units and chapters with their page numbers an alphabetical list of the specialized words and terms used in the book and their definitions an alphabetical list of all topics covered in the book and the pages on which they can be found

Which statement best explains the motivation for the narrator's mother to introduce her daughter to everyone they meet? from amy tan's "rules of the game."

How is the word laud and welcome different