Official rule text
19.2 The trade good area on the command sheet is where a player places their trade good tokens; trade tokens in a player’s trade good area can be spent by that player as resources, influence, or to resolve certain game effects that require trade goods.
View official source
Source: Living Rules Reference and FAQ - Prophecy of Kings
Expansion: Prophecy of Kings
Version: 2.0
Reference: Rule 19.2