"Vague language" refers to words or phrases that are not clear or specific. It often leaves room for interpretation and can make understanding difficult. Full definition
With me having such vague language in my contract about the closing costs and who was going to be paying for exactly what, we now started to encounter the issues. (biggerpockets.com)
Don't use vague language like «duties included» or «responsible for» in your job descriptions. (livecareer.com)
This proposal was meant to make it easier to close schools, including more vague language on the inclusion of parents in a decision to close or consolidate schools. (commons.trincoll.edu)