| (subclass FlowRegion Region) | Mid-level-ontology.kif 9043-9043 | 子類 流動區域 and Region |
| (subclass AirStream FlowRegion) | Weather.kif 62-62 | 子類 氣流 and 流動區域 |
| (subclass StreamWaterArea FlowRegion) | Mid-level-ontology.kif 9033-9033 | 子類 StreamWaterArea and 流動區域 |
| (subclass WaterCurrent FlowRegion) | Geography.kif 4931-4931 | 子類 水流 and 流動區域 |
| (subclass Tide FlowRegion) | Geography.kif 4943-4943 | 子類 浪潮 and 流動區域 |
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