incomprehensibility as a result of not being clear

clarity achieved by the avoidance of ambiguity

having more than one possible meaning

open to two or more interpretations; or of uncertain nature or significance; or (often) intended to mislead

intentionally vague or ambiguous

the ambiguity of an individual word or phrase that can be used (in different contexts) to express two or more different meanings

the ambiguous region between two categories or states or conditions (usually containing some features of both)