For a general treatment of theories, see theory. A scientific theory is a well-substantiated explanation of some aspect of the natural world that is acquired through the scientific method and repeatedly tested and confirmed through observation and experimentation.
A vendor, or a supplier, is a supply chain management term that means anyone who provides goods or services to a company or individuals. A vendor often manufactures inventoriable items, and sells those items to a customer.Typically vendors are tracked in either a finance system or a warehouse management system.Vendor' generally applies only to the immediate vendor, or the organization that is paid for the goods, rather than to the original manufacturer or the organization performing the service if it is different from the immediate supplier.
(November 2008). A vendor management system (VMS) is an Internet-enabled, often Web-based application that acts as a mechanism for business to manage and procure staffing services â temporary, and, in some cases, permanent placement services â as well as outside contract or contingent labor. VOP, or Vendor On Premises, is a vendor that sets up shop on the client's premises. They are concerned with filling the labor needs and requirements of the client.