In French, the words we choose can really show if a conversation is formal or informal.

Formal Vocabulary:

• This type of vocabulary includes polite words like "veuillez" (please), "cette correspondance" (this letter), and "je vous prie" (I ask you).
• It's used in professional situations, schools, or other official places.
• About 65% of business talks use formal language.

Informal Vocabulary:

• This includes casual phrases like "salut" (hi), "tu sais" (you know), and slang words like "ouais" (yeah).
• People use these words when they are with friends or family.
• Around 75% of daily chats are informal.

Knowing the difference between these types of words can help you speak and understand French better in different situations.