What's the difference between North America and North America?

North America and North America are two different concepts, the former is the concept of political geography, and the latter is the concept of natural geography.

North America (English: North America; ; Spanish: North America; ; French: L'Amerique septentrionale) is a political geography concept, which refers to the northern part of America, which is obviously different from the physical geography of North America, excluding China and the United States (Mexico, Central America and the Caribbean) which belong to the American continent.

? North America includes nine regions: East, Central, West, Alaska, Canadian Arctic Islands, Greenland, Mexico, Central America and West Indies. Its borders are Bering Strait and Asia, Panama Canal and South America.