Thanks is quicker and less formal, but they mean the same thing. You could say thank you to anyone and it sounds natural, but you wouldn't use thanks in a formal setting or in an email to your higher-up.
The Language Level symbol shows a user's proficiency in the languages they're interested in. Setting your Language Level helps other users provide you with answers that aren't too complex or too simple.
Has difficulty understanding even short answers in this language.
Can ask simple questions and can understand simple answers.
Can ask all types of general questions and can understand longer answers.
Can understand long, complex answers.
This answer was given within 60 minutes of the question being posted.
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