A grievance is a disagreement, arising under and during the term of this Agreement, between either (1) the Employer and any employee concerning (a) his/her employment and (b) the interpretation or application of the provisions of this Agreement or (2) the Association and the Employer concerning the interpretation and application of this Agreement on a question which is not an employee grievance or which concerns more than one employee, and involves a common fact situation and the same provision(s) of the Agreement.