Includes Reporting Services, a server-based application for creating, managing, and delivering reports to email, multiple file formats, and interactive Web-based formats. SharePoint integrated mode integrates the report server with SharePoint products.  The report viewing and report management experience are integrated with SharePoint sites and libraries. Reporting Services cannot be clustered.

Each shared feature is installed once within a defined scope and operates within that scope. The defined scope can span all SQL Server versions on a computer (e.g., SQL Server Browser), can be isolated to one major version of SQL Server (e.g., SQL Server Management Tools), or can be isolated to one or more minor…

Includes the Search engine that supports Full-Text Extraction for fast text search as well as Semantic Extraction for key phrases (likely tags) and similarity search on content stored in SQL Server.

Includes the Database Engine, the core service for storing, processing and securing data. The Database Engine provides controlled access and rapid transaction processing and also provides rich support for sustaining high availability. The Database Engine also provides support for the utility control.

NET Framework is a software framework developed by Microsoft that runs primarily on Microsoft Windows. It is open source.

Instance ID is used to identify installation directories and registry keys for your instance of SQL Server