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 # Using digital media masters
 
+Master files -
+either original sources or as close as possible -
+are precious and should be carefully tracked.
+
+Digital media files -
+e.g. photos, videos, music -
+are often large and binary encoded,
+which poses special challenges for their tracking.
+
 
 ## Git annex
 
-Media masters - photos, videos, music - is tracked with git and git-annex.
+Digital media masters are tracked with git and git-annex.
 
 Git is a version control system -
 a repository for historic versions of file contents of a folder.