Objectives consist of individual attributes or sets of attributes together with their directions of preference. They are clearly identifiable with the decision maker's or user's requirements. They are determined by the decision maker's or user's requirements. Criteria is a general term for the attributes, objectives, or goals which are judged relevant in a given decision situation by an individual or a group . A quality standard can be considered as the result of a group consensus on a system of relevant quality criteria.
Strategies are the means of changing the current situation.
Alternatives are strategies which are candidates to be employed for changing the current situation according to a current system of citeria. Alternatives are usually expected to be mutually exclusive. Nevertheless, if the decision situation allows for the simultaneous selection of several alternatives, then it is enough to state that there is at least one pair of alternatives which are mutually exclusive, otherwise there is no real decision to be made. The evaluation of the quality of a software product is one of the basic issues in information technology. This standard should be considered as the result of a group consensus on a system of relevant criteria.