what does carrier ( provider of your plan ) means

heres the thing i sent an open request to support and they asking me for all specifications of my tablet like model and build number android and ker version and so on and then they asking me about this carrier ( provider of your plan ) so it would be helpfull if someone knows what exactly that means
Answer #1
It’s who you pay for your internet service..
Answer #2
Yes where they say provider of your plan, they want you to name it.
Answer #3
tnx thats what i thought but wasnt sure about it