Terms with respect to which the confirmatory memoranda of the parties agree or which are otherwise set forth in a writing intended by the parties as a final expression of their agreement with respect to such terms as are included therein may not be contradicted by evidence of any prior agreement or of a contemporaneous oral agreement but may be explained or supplemented
         (a) by course of performance, course of dealing, or
    
usage of trade (Section 1-303); and
        (b) by evidence of consistent additional terms unless
    
the court finds the writing to have been intended also as a complete and exclusive statement of the terms of the agreement.

Terms Used In Illinois Compiled Statutes 810 ILCS 5/2-202

  • Evidence: Information presented in testimony or in documents that is used to persuade the fact finder (judge or jury) to decide the case for one side or the other.