French phrase
L'essentiel, c'est ~.
Meaning
What matters most is ___.
When to use it
Emphasizes the most important consideration. It works in both general and professional contexts without sounding overly formal.
Example dialogue
L'essentiel, c'est la satisfaction du client.
What matters most is customer satisfaction.
Très bien, nous en ferons une priorité.
Understood, we will make it a priority.