I see means I understand or that makes sense, not that you can see something with your eyes. You say it to show that you've heard an explanation and accept it. Oh, I see is what people say when something has finally become clear. The phrase is neutral, so it works with friends and at work.
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I see.; Oh, I see + comment; I see what you mean; I see (that) + clause
- The printer isn't broken, it's just out of paper. — Oh, I see. Thanks!
- I see what you mean, but I still think the train is cheaper than flying.
- I see you've already booked the hotel, so I'll look for flights.
What changed
First versionThe shop is closed today because it's a public holiday. — Clear, thanks.
RevisionThe shop is closed today because it's a public holiday. — I see, thanks.
Answering an explanation with the single word Clear sounds abrupt and unusual to a native speaker. The natural reaction when someone explains a reason is I see or Oh, I see. If someone gives you instructions, Got it also works.
I understand sounds more serious. People use it to confirm that they've understood a complicated issue or someone's feelings: I understand how you feel. I see is a light reaction in the flow of conversation. And if you really mean your eyesight, can see is more common: I can see the sea from my window.
Your turn
Why is the office so cold? — The heating broke down this morning. — Oh, ___. That explains it.
Show the answer
I see — The speaker asked why the office is cold, so they've only just learnt about the breakdown. Oh, I see shows that the explanation has been accepted. I know means “I already knew that”, and then there would have been no reason to ask.
Write a short dialogue: a colleague explains why a meeting was moved. Reply with I see and ask a follow-up question.
We moved the meeting because the client's flight was delayed. — I see. Is it on Friday now?
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