Turnkey Business
A situation where the high level management of a firm is in charge of the planning and execution of all business strategy. The client, who buys a franchise or part of the business, only has to "turn the key" for the operation to start.

Investopedia Says:
Most franchises are done this way.

• Defeasance
• Defeased Securities
• Defensive Acquisition
• Defensive Buy
• Defensive Company
• Defensive Investment Strategy
• Defensive Stock
• Deferment Period
• Deferred Account
• Deferred Acquisition Costs (DAC)
• Deferred Acquisition Costs (DAC)
• Deferred Annuity
• Deferred Charge
• Deferred Income Tax
• Deferred Interest
• Deferred Interest Bond
• Deferred Long-Term Liability Charges
• Deferred Payment Option
• Deferred Profit Sharing Plan (DPSP)
• Deferred Profit Sharing Plan (DPSP)
• Deferred Revenue
• Deferred Share
• Deferred Tax Asset
• Deferred Tax Liability
• Deficiency Agreement