While both terms are often used interchangeably, nowhere more so than in an alternate history discussion should these two terms be differentiated. While "possible" refers to *any* events that (according to our current body of knowledges) could be true, "plausible" refers to that which is *most likely* to be true. The best way to illustrate this is with the following classical example: The same type of process would apply to any point of departure (POD) and usually a judged based on some or all of the following: