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That means I'm a very very very informal piece of person 😂🤦 oh my God I need for vocabulary

Formal speaking can support professional discussions and I try to use that as much as possible. Informal speaking allows me to throw words out without thinking too much. 😀

Good (and appropriate) communication is always the best option to avoid misunderstandings.

Good list,Look like, I can add few more word to look professional but I will like to follow the same language style that is comfortable to end user.