Bicolour or Tricolour are often called the double or triple divisions of the field. Be they horizontal or vertical these divisions. The most famous are the tricolour flags of France and The Netherlands, which have been models for most countries.

Horizontal Bicolour.

Vertical Bicolour.

Horizontal Tricolour.

Vertical Tricolour.

Unequal Horizontal Tricolour.

Tricolour: One Vertical, Two Horizontal.