Flag of Paraguay
The normal and two-sided symbols indicate this is the obverse side of an authorized flag, and that the reverse side is different.Flag of Antarctica
The de facto symbol indicates the flag is widely accepted and used, but not codified by law.Flag of Eswatini
The mirror symbol indicates that the reverse side of the flag is a mirrored version of the obverse side.Flag of Benelux
The no-flag symbol indicates that this flag cannot be officially used to represent the group or country.Flag of Saudi Arabia
The sinister and equal symbols indicate that the national flag's hoist is on its right side and that its reverse and obverse sides are identical. The vertical inapplicable symbol indicates that the flag cannot have its elements rotated.