When you are writing a personal e-mail, quoting someone, or using it to develop a novel (to show the true character).
The police force, computer geeks, the military and the army all use jargon/slang. Doctors and people in the medical field use it as well.
You avoid it by learning the proper words and phrases used in the language. The more educated you become, the less likely you will be to use slang in a formal setting.
In a personal letter to a close friend or this one to When you are communicating informally with people who definitely understand what you are talking about
Slang and jargon are used to create a sense of belonging or exclusivity within a group, as well as to communicate more efficiently within that group. Slang can also be used to express creativity, humor, or non-standard language use. Jargon, on the other hand, is more technical language specific to a certain industry or profession, helping professionals communicate complex ideas succinctly.
Slang can add color and informality to communication, but it's important to use it appropriately to avoid misunderstandings. Overall, slang can be a fun and creative way to express oneself in informal settings.
Jargon can be helpful for communication within specific groups or industries, but it can also create barriers for those outside of the group. It's important to use jargon appropriately and consider the context in which it is being used to ensure clear communication.
Jargon can be difficult to understand.
the computer jargon we use in French, is the English computer jargon...
Writers like doctors or any other profession use jargon to have short cuts in words or a shorter version of something kind of like an abbreviation. If they don't want you to hear there conversation they might use it so you can't understand or someone can't.
Jargon is not necessary to use in writing a student review.
It is best to familiarize yourself with slang, jargon, and idioms when you are trying to learn a new language because that's the way people will speak. Native speakers use slang and idioms, and you should know the most common ones so you will understand them.
It depends on which gang, which part of the world, and what language they're speaking. Slang is highly regional.