French phrase
Est-ce clair ?
Meaning
Is it clear?
When to use it
Checks whether the listener understands. It is common after an explanation and sounds conversational.
Example dialogue
Je t'explique le plan pour demain. Est-ce clair ?
I'll explain tomorrow's plan. Is it clear?
Oui, c'est clair, merci.
Yes, it's clear, thank you.