Society knitted together by hierarchical social obligations. Ex: Middle ages Europe, pre-European Japan. "I am a serf of Lord Feigen"
The society is reestablishing collapsed social structures and rediscovering lost knowledge. Ex: High Middle Ages, post-WWII Europe
Gunpowder, printing press, fully-rigged ships, hot air balloons, black-powder musket, cannon, sailing warship
Renaissance/Colonial (TL 4)
Turning a fast buck, trade, administration
Larger-than-life characters facing epic challenges
Intelligent human-like beings: Elves, Vulcans, etc.