Taking into account the given text, the concept of communication that Robyn understands is: code switching.
Code switching is an ability that a person possesses, either to speak in two different languages at the same time, or to express themselves in two different ways depending on the place or the person they are with.
In the case of Robyn, she receives an order from the customer in a code that is usual for him, then Robyn exchanges it so that it is understandable to her partner, and finally, she delivers the order using the same words as the her client.
If you want to learn more about Code Switching, you can visit the following link: https://brainly.com/question/2661389
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