Concept:The standard toolbar contains shortcut buttons for common commands used frequently in a document.
Explanation:• The standard toolbar includes buttons such as New, Open, Save, Print, Cut, Copy, and Paste.
• These buttons help users perform common tasks quickly.
• Buttons for closing or resizing windows are on the title bar, not the standard toolbar.
• Page margins and tabs are controlled through page setup, not the standard toolbar.
Answer:C. performs the most tasks