The Details pane in File Explorer of Windows 11/10 helps to view details related to a selected folder or file. You can check details like date modified, date taken, dimensions, frame width n ...
Windows File Explorer offers a preview pane where, when a file is selected, a preview of the file content is displayed for some of the files. Text, PDF, and Images are some of them that support this.
While it's highly likely you've heard of double glazing – window made with two panes of glass separated by an air gap for insulation – you may be less familiar with triple pane windows.