The `async` keyword is used to define an asynchronous function, which means that it can run concurrently with other functions. This allows the program to continue running while the function is waiting for a response from the Discord server.

The `await` keyword is used to wait for a coroutine to complete before continuing with the rest of the function. In this case, it is used to wait for the `ctx.send()` coroutine to complete before moving on to the next line of code.

The `ctx` parameter represents the context of the message that triggered the function, including information about the author, the server, and the channel. The `ctx.author` attribute is used to get the user who sent the message.

The `f-string` syntax is used to format the message with the user's name, and the `{user.name}` expression is replaced with the user's name when the message is sent.
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