<span>It can also be known as the enhanced entity model. This model, used in the creation of databases, allows for more precise creation of classes and groups. This allows the user to put together databases that are more specialized and group the objects together in more complex manners.</span>
You would be a knight! Knights' job was the protection of the area and they would spend their entire lives practicing and training
A vassal and lord are more general names for the relationship between the classes, so a knight is a vassal of the king or of the nobles and the king is his lord.
I believe the answer is: when you do something with as little waste as possible
Maximum efficiency is achieved if you manged to obtain the maximum benefit while making the least amount of expense as possible. In managing your daily life, this could be achieved by making sure that your time is spent carefully so it give as little waste as possible.
They were isolated for 2 basic reasons.One was the hilly geography of Greece,
this natural setting spawned several isolated communities.Then the second reason was because that these communities grew into city-states with the dominant community ruling the smaller ones