Very slight difference. Recognizing could remain internal meaning you noticed something but didn’t do anything, where acknowledging could mean external either by saying something to the student or to someone else about the student. However, that is not a hard distinction. Those words are often used interchangeably.
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.
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