BICOLOR | 
Flags with two colors, on top of or beside each other. EXAMPLE: The button flag is that of UKRAINE. | 
 
  CANTON | 
Flags with a square or rectangle in the top corner of the design. EXAMPLE: The button flag is that of CHILE. | 
 
  CRESCENT | 
Flags with a crescent circle, sometimes along with a star. EXAMPLE: The button flag is that of TURKEY. | 
 
  CROSS | 
Flags with a cross design or displaying a cross. EXAMPLE: The button flag is that of DENMARK. | 
 
  DIAGONAL | 
Flags with a diagonal line or stripe across them. EXAMPLE: The button flag is that of CONGO-BRAZZAVILLE. | 
 
  GEOMETRY | 
Flags with a triangle, a circle or another geometric shape. EXAMPLE: The button flag is that of DJIBOUTI. | 
 
  SEAL | 
Flags which display an official crest or seal. EXAMPLE: The button flag is that of BELIZE. | 
 
  SOLID | 
Flags with a solid color background. EXAMPLE: The button flag is that of MOROCCO. | 
 
  STRIPES | 
Flags which heavily use stripes in their design. EXAMPLE: The button flag is that of MAURITIUS. | 
 
  TRICOLOR | 
Flags with three main colors, on top or next to each other. EXAMPLE: The button flag is that of FRANCE. |