WinFS is one of a set of frameworks that make up Vista's "Windows .NET Framework Extension" (WinFX). This is a superset of the .NET Framework, which is at the heart of Microsoft's .NET.1 Alongside WinFS, WinFX also includes Windows Communication Foundation (WCF, previously Indigo), Windows Presentation Foundation (WPF, previously Avalon), and Windows Workflow Foundation (WWF).
Executive Update
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