chora, the
The agricultural land (including villages and land-plots) belonging to a polis. It was bounded with the polis on an administrative and economic basis.

emporion, the
Places where trade was conducted, usually small settlements of urban character on the borders or along the coasts and the commercial routes. With the same term are characterized the trade districts, the markets outside the walls of a city and/or settlements being themselves trade centers.

strategos ("general")
During the Roman period his duties were mainly political. Οffice of the Byzantine state´s provincial administration. At first the title was given to the military and political administrator of the themes, namely of the big geographic and administrative unities of the Byzantine empire. Gradually the title lost its power and, already in the 11th century, strategoi were turned to simple commanders of military units, responsible for the defence of a region.