Safe Mode: A way of entering Windows, primarily for diagnostics and repairs, that bypasses many of the drivers that can cause Windows failures.

SATA hard drive: Serial Advanced Technology Attachment: A storage technology that tends to run faster and cooler with simpler connections.

Scenic Ribbon: A tab-based interface for Microsoft-based applications, such as WordPad, that contains all the primary commands.

screen resolution: Signifies the number of dots (pixels) on the entire screen.

search engine: A program that searches documents or the Internet for specified keywords and returns a list of the documents or Web pages where the keywords were found.

Security Center: Lists Windows 7’s four main security defenses, tells you whether they’re activated, and provides handy “On” switches to activate any that may be turned off.

Service Set Identifier; SSID: A 32-character unique identifier attached to the header of packets sent over a network that acts as a password when a mobile device tries to connect the network.

shadow copies: A type of backup file that automatically saves all previous versions of files.

shortcut: An icon push button, typically placed on your desktop, that allows you to quickly access a program, file, or folder.

shortcut menu: A topic-specific pop-up menu that appears when you right-click an item.

Shut Down: The command on the Shutdown menu that powers off the computer.

Sidebar: An area along the side of your screen that displays gadgets. These gadgets tell you the time, show pictures, convert money, and feed you the news, among other things.

skin: A visual interface applied to Windows Media Player.

Sleep: The command on the Shutdown menu that places the computer into a special, power-saving mode.

Snipping Tool : Windows' built-in tool for creating screen shots.

Software Explorer: A tool within Windows Defender that can be used to control which applications run during the Windows start up process.

spam: Any unsolicited e-mail.

spyware: Any software that covertly gathers user information through the user’s Internet connection without his or her knowledge, usually for advertising purposes.

Standard account: The typical user account that is managed by an administrator.

Start button: The button in the lower-left corner of the Windows desktop. By clicking the Start button, you access the Start menu to start programs, adjust Windows settings, find help, and shut down your computer, among other things.

Start menu: Allows you to start programs, adjust Windows' settings, find help, and shut down your computer, among other things.

Sticky Notes: A Windows 7 accessory that enables you to leave the electronic equivalent of good old-fashioned Post-It notes all over your Windows 7 desktop

SuperFetch: SuperFetch keeps track of which applications are being used the most on your computer and tries to pre-load those applications so they’re available before you need them.

switch: In networks, a device that filters and forwards packets between network segments.

Switch User: The command on the Shutdown menu that allows another user on the same computer to access his or her account without logging off from your own account.

Sync: A full-featured folder synchronizer that is included in the Windows Live Essentials pack.

synchronize: To coordinate a single set of data between two or more devices, automatically copying changes back and forth.

system image: A backup file created using Backup and Recovery that can be used to restore the system to exactly the same as it was at the time the image was create — including programs, updates, drivers, and data.

System Repair Disc: A disc you create that contains all the information your PC needs to boot to the System Recovery Screen, enabling you to access repair tools.

System Restore: Uses restore points to return your PC to a point where it works properly.