theory-a well-substantiated explanation of some aspect of the natural world; an organized system of accepted knowledge that applies in a variety of circumstances to explain a specific set of phenomena; theories can incorporate facts and laws and tested hypotheses; true in fact and theory.
wikiHow to Write Vendor Contracts. Some companies and organizations partner with vendors to provide a better product or service. Other businesses use vendors as contractors, providing something they need either on a one-time basis or an ongoing schedule. For example, many companies use vendors to supply technology, cleaning services, office equipment, or transportation. Anytime you use a vendor, you and the vendor should both sign a contract.
A value contract is a legal agreement with a customer that contains the materials and services that the customer receives within a specified time period, and for a value up to a specified target value.A value contract can contain certain materials or a group of materials (product hierarchy, assortment module).here, a contract for the value of $500,000 is made with the customer for. specific software product. You can also agree on the length of the contract for this type. The contract duration can be agreed at item level and can be different from the contract duration specified at header level.