4) Please help, what is the purpose of describing Mrs. Bamjee as having a “smile that showed the gap of a missing tooth but was confident all the same”?

"this year she had the extra joy of showing it to her small brother, and of terrifying him as well as herself. when they had done this many times they came back to the house to tell everybody that they had done it. he boasted. she mocked. they squabbled." how does julia feel about her little brother? does she love him? hate him? find him an annoyance? be sure you read what is implied by their reactions to each other.

Jargon is a specialized vocabulary of a particular group trade or profession

If you wanted to figure out a topic and some details about that topic you would want to use a ?