Significats de definable shape en anglès

The reference to Sept. 11 gives al Qaeda's actions a continuity and a definable shape.

This period now has a definable shape and texture, a topography that can be mapped and explored.

Something vague and without definable shape.

It has usually no definable shape, often sending out one or two branches greatly beyond the rest, some directed obliquely downwards, others twisted and horizontal.