This is the 1784th most frequent French word.
courrier
Mail or courier.
In this sentence, 'courrier' refers to physical mail or letters that were received.
J'ai reçu un courrier important aujourd'hui.
I received an important mail today.
Here, 'courrier' signifies the collection of mail or correspondence being distributed.
Le facteur distribue le courrier chaque matin.
The mailman delivers the mail every morning.
In this instance, 'courrier' is used in the context of electronic communication, referring specifically to email.