Terms of art exist, and none of these are unknown terms to people in the field. Jargon is specifically used to communicate certain ideas without defining each and every single term. If you were in an aerospace field and people started talking about various types of engines and propellers, you'd be expected to know what it means, but for some reason people think computing and UX is somehow different, as if a lay person should perfectly understand it without learning any new terms.
Terms of art exist, and none of these are unknown terms to people in the field. Jargon is specifically used to communicate certain ideas without defining each and every single term. If you were in an aerospace field and people started talking about various types of engines and propellers, you'd be expected to know what it means, but for some reason people think computing and UX is somehow different, as if a lay person should perfectly understand it without learning any new terms.