Emisor - Means : Sender
Mensaje - Means : Message
Canal - Means : Channel
Receptor - Means : Receiver
Contexto - Means : Context
Codigo - Means : Code
Enuciado - Means : Enuciado ??? Is that what u want.. I hope or i just sent u a COMPLETELY Offtopic message.
The answer tgat is incorrect is "No me gusta"
For number 7 on the practice the articles page, the first blank is letter and the second blank is feminine