It is very important for psychology to make its contribution to this agenda, and to that end a psychology coalition at the U.N. has been doing major advocacy work with member states to bring mental health (MH) and well-being (WB) into their conceptualization of the SDGs.
vague - not clearly understood or expressed; an obscure turn of phrase; an impulse to go off and fight certain obscure battles of his own spirit-Anatole Broyard; their descriptions of human behavior become vague, dull, and unclear- P.A.Sorokin; vague...forms of speech...have so long passed for mysteries of science- John Locke. obscure
Ambiguity is a type of uncertainty of meaning in which several interpretations are plausible. It is thus an attribute of any idea or statement whose intended meaning cannot be definitively resolved according to a rule or process with a finite number of steps.(The ambi-part of the name reflects an idea of  two  as in two meanings.). The concept of ambiguity is generally contrasted with vagueness.he lexical ambiguity of a word or phrase pertains to its having more than one meaning in the language to which the word belongs. Meaning here refers to whatever should be captured by a good dictionary.