A small group communication can be described as a type of communication made between 4 to 5 people in which general dialogues or information is shared.
The purpose of this type of communication can be for generating talks on a common belief, experience or purpose.
As the scenario discussed in the question, Marine's family getting into a discussion about their days regularly after dinner is an example of small group communication.
you got this. don’t doubt urself! it’s challenging towards everyone to learn a new language so your totally fine! put all your effort and dedication into it and you’ll get the hang of it as you go.