Relevance The extent to which the objectives of a development intervention are consistent with beneficiaries’ requirements, country needs, global priorities and partners’ and donors’ policies.
Effectiveness The extent to which the development intervention’s objectives were achieved, or are expected to be achieved, taking into account their relative importance.
Efficiency A measure of how economically resources/inputs (funds, expertise, time, etc.) are converted to results
Sustainability The continuation of benefits from a development intervention after major development assistance has been completed.
Impact Positive and negative, primary and secondary long-term effects produced by a development intervention, directly or indirectly, intended or unintended.