"Donc" is a French word that translates to "so" or "therefore" in English. It is commonly used to indicate a conclusion or a result based on previously stated information. For example, if someone says, "Il pleut," meaning "It is raining," they might follow with "Donc, je prends un parapluie," which means "So, I am taking an umbrella." In conversation, "Donc" helps to connect ideas and clarify reasoning. It can also be used to emphasize a point or to transition between thoughts. This makes it a useful word in both spoken and written French, enhancing the flow of communication.