biblioteca de clases .NET Framework(A library of classes, interfaces, and value types that are included in .NET Framework. This library provides access to system functionality and is designed to be the foundation on which .NET Framework applications, components, and controls are built)
.NET Framework Class Library(A library of classes, interfaces, and value types that are included in .NET Framework. This library provides access to system functionality and is designed to be the foundation on which .NET Framework applications, components, and controls are built)
