Yep, I'm obsessed with conflict lately. One can further separate conflict into external conflict and internal conflict. A writing teacher recently told me EXTERNAL CONFLICT is a PERSON or PERSONIFICATION or NATURAL FORCE which OPPOSES the protagonists aims, goals, wishes, dreams, etc..
While The internal conflict is the character's thoughts, emotions, opinions, values which PREVENT him/her from achieving his/her goals. And furthermore Internal conflict is dramatized by the external conflict.
Wow! This is actually consistent with Betsy's big-bang theory of writing. Or, wait, was that her theory of the best way to spend Saturday night? :)