4. Technikos; cf. ‘skill’ at end of first paragraph.
5. In shops, etc.: see end of next paragraph.
6. An etymological point: ‘coinage’ = nomisma; ‘convention’ = nomos.
7. A legendary King of Phrygia. notorious for extreme wealth. He prayed to the god Dionysus that everything he touched should turn to gold: the prayer was granted, and naturally he found he could not eat.