Ok! There is the SQL Server 2005 Components. There is the brief information about the components:
It provides the core service for storing, procesing and securing the data, it has the tools for creating and managing relational database objects also it supports the other SQL Server features.
Includes the tools for creating and managing OnLine Analytical Processing (OLAP).
Includes server and client components for creating, managing and deploying tabular, matrix, graphical and free form reports.
Is for developing and deploying applications that send the messages or notifications to the users.
Is set of graphical tools and programmable objects for moving, copying and transforming data.