Directionality is a tendency to move in direction (presumably rather than meander). Direction is ... a direction. A person may "have a direction" but lack dir

Directionality is a tendency to move in direction (presumably rather than meander). Direction is ... a direction. A person may "have a direction" but lack directionality, and thus fail to move in that direction. Somebody else may lack a direction, but should one become established, their directionality may ensure that they move along it. But ... it's all gobbledygook speech and mostly meaningless. A person does not have momentum either, other than as a metaphor or in the uninteresting case of simply being physically in motion, which I doubt Stanford cares about.