(1). Bare ground leveled, and possibly packed.
(2). Status:pile of stones.
(3). Audits:rubble aggregated with Roman cement
(4). Nucleus:pottery debris aggregated by fine cement
(5). Dorsum:polygonal blocks of flint, or rectangular blocks of volcanic tuff or other surrounding stones, forming the surface of the road. The elliptical shape prevented the rain from stagnating in the middle of the road. The underside of the blocks was sometimes voluntarily notched giving them a better grip on the nucleus.
(6). Crepido:sidewalk or elevated roadway for pedestrians.
(7). Border.
It is well known what happened in the Roman cities of Pompeii and Herculaneum in the year 79 AD. The brutal eruption of the Vesuvius volcano, in the vicinity of which they were located, caused their destruction and the death of thousands of people burned, suffocated and buried under a thick layer of