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 />
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I don't like them because they complain always
Couplets have two lines, tercets have three lines, and quatrains have four lines, the number of lines will tell you.
Answer:
All of these are emotions, expressions or feelings which can be used to express what you think and feel.