Answer:
1. Icons-------->pictures that represent applications, files, or folders.
2. Quick Launch---------->list of items that can be opened by clicking on their names.
3. Start menu----------->shows the programs that are always running.
4. System Tray---------->place where frequently used programms can be opened.
5. Taskbar--------->displays open application or files.
Explanation:
I pretty much explained it in the answer. :)