Metadateif(A file that contains or defines other files. Many operating systems use metafiles to contain directory information about other files on a given storage device)
metafile A file that stores an image as graphical objects (lines, circles, polygons) rather than as pixels. Metafiles preserve an image more accurately than pixels when the image is resized['mεtəfaɪl, 'mεt̬ə-]缩写
