For more information, check out the following references:
The Monad Manifesto at http://blogs.msdn.com/b/powershell/archive/2007/03/19/monad-manifesto-the-origin-of-windows-powershell.aspx
Microsoft's approved cmdlet verb list at http://msdn.microsoft.com/en-us/library/ms714428.aspx
get-help get-commandget-help get-verbget-help about_aliasesget-help get-memberget-help about_functionsget-help about_functions_advancedget-help about_scriptsget-help about_execution_policiesget-help about_scopesget-help about_pipelinesget-help where-objectget-help about_variablesget-help about_commonparametersget-help about_modules