Hi Ale, thanks for bringing up a good point! Let me start with a question:
Your bio lists you as a UX Design Director; why do you have the word UX in there if it’s simply part of just design?
The reason we sub-classify elements of “Design” in focuses like UX, Interaction, Visual, or Product, is because things get confusing when you use umbrella terms for some focused skills, but not others.
I can’t speak for others, but I am trying to explain product design on Product Matters in a more holistic way so that people can learn and understand what, exactly, the skills involved are. What the differences are between Product Design, UX, IxD, etc. — yes, these have overlap, and that’s precisely why they’re confusing to outsiders, and why articles defining them more clearly are useful.