Windowpanes refer to the glass or material that encases a window. Synonyms for windowpanes include glass, glazing, pane, sheet, and panel. These terms all refer to the same piece of material and can be used interchangeably depending on the context. For instance, pane and sheet are often used to describe smaller pieces of glass or material used in windows. Glazing refers to the process of adding a protective layer to the windowpane, while panel can describe larger pieces of material. In architecture, mullions and sashes are also referred to as elements of the windowpane. No matter the terminology used, all of these words ultimately refer to the functional and aesthetic component that allows us to see the world outside our homes and buildings.