See related answer :How did Etiquette begin.
Yes. The use of these terms is considered etiquette.
Etiquette has changed as history brings about changes as most things are modernized. See related link below for a site about etiquette during the 1800s.
How are these terms related? Plausible : Believabl
terms associated with poulty
See related answer :" Different kinds of table service ?" .
Within a week of recieving the gift/service being thanked for.
Netiquette is appropriate conduct online. Example: Like saying rude stuff on facebk or txting, and sending video's.
Etiquette refers to the customary rules of polite behavior in society, while ethics are the moral principles that guide a person's behavior. Etiquette focuses on social norms and manners, while ethics are concerned with what is right and wrong. In essence, etiquette is about how we should behave in social situations, while ethics is about what is morally right or wrong in our actions.
related
Etiquette 101 - 2004 Wedding Etiquette was released on: USA: 17 August 2008
Etiquette 101 - 2004 Dining Etiquette was released on: USA: 16 December 2006