With regard to digital contents and encoding: Choose one answer only $1$ mins : $02$ secs Audio and video files have special coding, requiring codecs $($encoders$/$decoders$)$ and specific programs for them to run properly. Despite each type of file having its own code, it is possible to work with them from any program. Text files have a special code which calls for the installation of compressors$/$decompressors such as WinRAR, WinZip, etc. Image files have the advantage of sharing a single extension which makes it possible to work with them from any graphics program.