This is a frame. It follows the same design philosophy as existing operating systems, with a title indicating the contents of the frame on the top left side, and functions for operating the frame on the top right side.

• Minimize
• Pressing the "." button causes the frame to transform into its minimum area. Pressing the "!" button again restores it to its original state.
• This is an effective function when the frame is visually obtrusive.
• Maximize
• Pressing the "+" button causes the frame to transform into its maximum area. Pressing the "@" button again restores it to its original state.
• This is an effective function when you want to fully enjoy the contents of the frame.
• Hide
• Pressing the "#" button conceals the contents of the frame. Pressing the "=" button again restores it to its original state.
• This is an effective function when you need to concentrate on other information, prevent accidental operations, or when the frame contains information that should not be displayed on the screen.
• Fold
• Pressing the "V" button collapses the frame. Pressing the "Z" button again restores it to its original state.
• This is an effective function when the contents or operations of the frame are no longer needed.
• Close
• Pressing the "X" button deletes the frame. To restore the frame, you need to perform individual operations or reload the page.
• This is an effective function when the contents or operations of the frame are no longer needed.