SoC
Beginner
A system-on-chip: one chip that holds almost everything a device needs, from processors to radios.
Novice
System-on-chip: a single chip holding most of a computer, including the main processors, graphics, memory controllers, accelerators, input/output and often radio and analog circuits.
Expert
Mostly an integration problem: licensed and reused IP, the on-chip interconnect, clock and power domains, and chip-level verification of interactions no single IP team owns.
Explained in Personal and edge devices (Industries).