Etiquette is when you have manners ex. Proper behavior

Conduct is how you act

Courtesy is having politeness

Flame is when you troll some one 

Troll someone who aggravates people online to the point that they rage quit.

Anonymous is some one who is nameless or unidentifiable.

Emoticon are facial expressions made by using punctuation and letters.        

Obvious something that you notice quickly

Tone your attitude towards something

SMS a text messaging service

Ethical knowing if something is right

Unethical when something is wrong

Legal is something that obey the laws

Boolean search is when you use and or not on your web search

URL is a Universal Resource Locator