bawl definition: To bawl is defined as to cry or wail loudly. (verb) An example of bawl is to sob loudly upon hearing bad news. ...
Consider these examples. When accepted by a vendor every PO becomes a contract, but not every contract is a PO. Some (but not all!) people view POs as a kind of one-time contract. Purchase Orders may cross-reference the terms of a negotiated contract. It's a common misconception that the level of detail in a PO is less than that of a contract.
The big difference between a warranty and a service contract is the cost. A warranty is something that a manufacturer includes as part of the purchase price of the item. service contract is like a warranty except that it is an additional item that you purchase separate from the commodity it covers. Many companies call it an extended warranty. The service contract adds to the level of protection that you get on top of your regular warranty.