This is an archive file used on Macintosh computers. It stores branched resources and data in the file system as one file. It includes the storage of fonts and convenient loading of data with Macintosh to the Internet to be transferred to other Mac devices. It’s used to import PostScript Type 1 program language data.
PNG is a raster graphic data storage format that uses lossless compression algorithm to Deflate. PNG was created as a free format to replace GIF. PNG supports three main types of raster images: grayscale image, a color indexed image and the color image. PNG format stores graphical information in a compressed form.