What is “intentionality” (“intentional consciousness”) and how does this concept inform the rest of Sartre’s view of the difference between human “Being” and the “being” of other objects?

Present, define and relate the concepts that present Sartre’s view of meaning as it relates to humans. Include the explication of all relevant key concepts. What is “intentionality” (“intentional consciousness”) and how does this concept inform the rest of Sartre’s view of the difference between human “Being” and the “being” of other objects? Include a presentation of other key concepts such as: “essence precedes existence” in contrast with “existence precedes essence”, “being in-itself”, “Being for-itself”, “facticity”, “transcendence”, “abandonment”, “despair” and “anguish”. Is the meaning of life“subjective” or “objective for Sartre? Present (state), define and relate the key concepts that make-up/entail the reasoning process that leads Tolstoy to his solution to the meaning of life (the moral code of “preceptual faith”). Present the reasoning and the relations of: Tolstoy’s arrest of life, the interpretation of “living drunk,” the meaning of the “fable of the dragon in the well” for Tolstoy, the four options he considers initially to a solution, his search in science or empirical knowledge for an answer, the two requirements he decides are required for an acceptable solution to the problem of the meaning of life, the concepts of “propositional faith” and “preceptual faith” and how he views the later type of faith meeting his two criteria/requirements.