Your question is Explain TF-IDF Features. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You are working on a text pipeline where documents need to be converted into numeric features before a model can use them. The same term should matter less if it appears in almost every document, and more if it is rare but informative.
What is TF-IDF?