Great question! It's literally all the same process! There's only a difference on a macroscopic scale. On an atomic scale, atoms are tiny vibrating charges held together (and apart!) by electric forces (well, by all forces, but the electric force is by far the strongest). A vibrating charge can emit a photon; we call this radiation. This radiation can be reabsorbed somewhere and induce a new vibration. This is technically induction (though I've never seen it referred to as such, more commonly radiative transfer). If we step back so that we no longer view individual atoms, we just see vibrations moving around within a material; we call this conduction but it's still happening via radiative transfer. If your material is a fluid and moves around for some heat-related reason (say, a change in density), we call this convection.

https://en.wikipedia.org/wiki/Radiative_transfer

Confusingly, inductive heating is a completely different process involving no heat transfer! You induce a current in material, and this current causes resistive heating.

https://en.wikipedia.org/wiki/Induction_heating

You might be wondering: "then what's resistive heating?" Well, electrons are also tiny moving charges. Care to hazard a guess how they interact with their environment?