| en blocking position (n) | 
            ― IsA ⟶
         
            Weight: 1.0
         |  | Source: OpenCyc 2012 | ||
| en existing obstacle (n) | 
            ― IsA ⟶
         
            Weight: 1.0
         |  | Source: OpenCyc 2012 | ||
| en delay position (n) | 
            ― IsA ⟶
         
            Weight: 1.0
         |  | Source: OpenCyc 2012 | ||
| en cultural obstacle (n) | 
            ― IsA ⟶
         
            Weight: 1.0
         |  | Source: OpenCyc 2012 | ||
| en mobility limiting terrain (n) | 
            ― IsA ⟶
         
            Weight: 1.0
         |  | Source: OpenCyc 2012 | ||
| en mobility limiting terrain (n) | 
            ― IsA ⟶
         
            Weight: 1.0
         |  | Source: OpenCyc 2012 | ||
| en reinforcing obstacle (n) | 
            ― IsA ⟶
         
            Weight: 1.0
         |  | Source: OpenCyc 2012 | ||
| en ambush site (n) | 
            ― IsA ⟶
         
            Weight: 1.0
         |  | Source: OpenCyc 2012 | ||
| en field of fire (n) | 
            ― IsA ⟶
         
            Weight: 1.0
         |  | Source: OpenCyc 2012 | ||
