A "decorating theme" refers to a specific style or concept that guides the way we decorate a space. It helps create a cohesive look by incorporating similar colors, patterns, or design elements throughout the room or home. Full definition
Black and White striped wrapping paper is used to wrap presents in this holiday decorating theme. (hgtv.com)
You can match any bedroom decorating theme or color scheme with original furniture designs and create beautiful interior decorating that reflects your personality and favorite home decor style. (decor4all.com)
You can also make it as a theme like toy theme, nursery decorating theme, bath theme, or feeding theme. (newbornbabyzone.com)