Wire.h library and loops

Hello,
I'm a beginner and wondering something about the Wire.h library
I would like to know if it can work next to another loop.
If I have a loop which turns, and which must be stopped by a message via I2C, does the fact that this loop always turns with the reception of the message?
Like an arduino (I believe), can only rotate one loop at a time, I ask if I could receive the data.

Thank you for your reply.

I think you're asking how to do several things at the same time.

See e.g.
Demonstration code for several things at the same time