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.
Vendor's Lien Law and Legal Definition. A vendor's lien is the right of a seller to repossess the property sold until the buyer makes all payments for the full purchase price. The property is the collateral given as security to the seller for the purchase price. It is sometimes used in connection with a purchase money mortgage on real estate.