Template:Today's featured article/septembero, 2014
Discourse is said to be ambiguous when it encompasses potentially disjoint regions of concept-space.
Discourse is said to be vague if it encompasses a large but contiguous region of concept-space.
Syntactic ambiguity is a situation where a sentence may be interpreted in more than one way due to ambiguous sentence structure. Lojban doesn't have syntactic ambiguity.