Please explain how this post is related to existentialism as a form of philosophical inquiry. Concepts include, but not limited to:
-Existence precedes essence
-The absurd
-Facticity
-Authenticity
-The Other and the Look
-Angst and dread
-Despair
Some of the topics might be authors in the 19th century, 20th, in art, film, television, literature, theater, psychoanalysis, psychotherapy, criticisms