| Subject | English | Japanese |
| comp., MS | base class library | 基本クラス ライブラリ (A library that contains base classes) |
| comp. | n class library | クラス・ライブラリ (as in C++) |
| comp., MS | class library | クラス ライブラリ (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) |
| comp. | n class library | クラスライブラリ (as in C++) |
| comp., MS | Commerce Server Class Library | Commerce Server クラス ライブラリ (A collection of classes, interfaces, and value types that are included in the Commerce Server .NET Application Framework. This library provides access to run-time Commerce Server functionality and is designed to be the foundation on which .NET-based Commerce Server applications, components, and controls are built) |
| comp., MS | Microsoft Foundation Class Library | Microsoft Foundation Class ライブラリ (A library of C++ classes that forms an object-oriented wrapper around large portions of the Windows API and provides a framework on which to build applications) |
| comp., MS | .NET Framework class library | .NET Framework クラス ライブラリ (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) |