Unravelling the Concept of Mass

[vroom]

can't one interpret mass, simply as a proportionality constant, in a sense the cause for inertia. ( that's inertial mass )

 

[tehno]

Mass is the drag that an object experiences by its resistance to the Higgs field.

I believe they still know nothing about Higgs field & particles.
existence included

 

[lalbatros]

Would it not simply be a singularity of the gravitational field?
Like the electric charge is a singularity of the EM field.

With one marked difference, maybe: can we rule out the possibility that the nonlinearities in the gravitational physics could produce these singularities spontaneously? For the EM this is obviously excluded because of the linerarity.