Thanks for that overview of her categories; it got me interested and searching a bit for a more detailed version. Now I think I'll give the original essay a shot, and I hardly ever read philosophy. Link to save anyone else 10 seconds of googling: http://faculty.webster.edu/corbetre/philosophy/existentialis...

(Also, this feels eerily similar to the first time I realized "Oh, going and reading the source of $LIBRARY is an option if the docs are too vague.")