I Sending a Message: MPI SEND MP Send takes the following arguments Message Body Buffer Count Datatype Message Envelope(source-the sending process-is defined implicitly) Destination Tag Communicator The message body contains the data to be sent: count items of type datatype. The message envelope tells Where to send it. In addition . an error code is returnedSending a Message: MPI_SEND • MPI_Send takes the following arguments: – Message Body • Buffer • Count • Datatype – Message Envelope (source – the sending process – is defined implicitly) • Destination • Tag • Communicator • The message body contains the data to be sent: count items of type datatype. The message envelope tells where to send it. In addition, an error code is returned