A jargon is a code phrase that only people in that profession would know, for example if a police officer need help he would radio in a code 8. Most people outside of the police force would not know what that meant.<span />
Answer:
The "Chair of Government" is the presiding officer of an organized group such as a board, committee, or deliberative assembly.
The literary device used to describe Johnny's mugging is idiom
Rosaleen seems to change because the environment also changed. now she is with black females. Here, she had not the threat of white men who used to beat her up when she tried to exercise her civil right. lily noticed her sudden change as soon as she entered the house, while crossing the yard even though she was walking under the rain.