Colloquially, yes, they're all just packets unless I'm writing an RFC for the IETF. If I recall correctly, the formal term for the all-encompassing category is

Colloquially, yes, they're all just packets unless I'm writing an RFC for the IETF. If I recall correctly, the formal term for the all-encompassing category is the "datagram". It's like who-vs-whom. Prescriptivists will try to tilt that windmill forever, descriptivists observe that most people just don't care.