A grievance is a disagreement, arising under and during the term of this Agreement, between either (1) the Employer and any Employee concerning (a) the Employee's 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.