Appliance software is a concept whereby the program, extension, etc. is used with little or no interest by the user as to how things work inside the package.This type of user has a higher concern/priority on getting a job completed quickly & efficiently.It is similar to dealing with a toaster, microwave, telephone, etc.escargo 2 Aug 2003 - I would add "correctly" and "reliably" to the priority list. Many users would rather have correct, predictable behavior than quick behavior that might be erroneous.