Goods:
Goods refer to objects of every kind and description, including raw materials, products, and equipment in solid, liquid, or gaseous form. It also includes services incidental to the supply of the goods, provided the value of these incidental services does not exceed the value of the goods themselves. Goods include movable tangible property, thermal and electrical energy, heating, gas refrigeration, air conditioning, and water but do not include money.

Works:
Works refer to activities related to construction, reconstruction, demolition, repair, or renovation of a building, structure, or surface. It also includes site preparation, excavation, erection (such as the erection of telecommunication masts), assembly, installation of plant, fixing of equipment, laying out of materials, decoration, finishing, and any incidental activity under a procurement contract.

Services:
Services refer to the furnishing of labor, time, or effort not involving the delivery of a specific end product other than reports. It includes consulting, professional, and technical services but excludes employment agreements or collective bargaining agreements.