Kinda...but not really. It's often referred to as "Resi" inside the Commercial RE community. You're confusing the definitions.
Multifamily/Resi Commercial, per the above, is used for "business activities", and its value is derived from "business income".
Wherever you got that definition from should have clarified that "Residential properties that you own, and live in, are usually not commercial/income producing properties (unless you live in an owner-occupied building that you also lease out, like 'The Ropers or Mr Firley'. Residential properties that you rent, are considered commercial properties".
I mean...