There are Many Kinds of Default .. here 
Default may refer to:Default (law), the failure to do something required by lawDefault effect (psychology), the option that a chooser receives if s/he does nothingDefault judgmentDefault (finance), failure to satisfy the terms of a loan obligation or failure to pay back a loanDefault (computer science), a preset setting or value that will be used if no choice is doneDefault (band), a Canadian post-grunge and alternative rock banddefaults (software), a command line utility for plist (preference) filesDefault logic, a non-monotonic logic proposed by Raymond Reiter