Which of these features in a map is not actually present on the Earth?

The map has several features, such as the continents, countries, railways, and roads. However, such differentiations are not present on the earth. The distinctions between countries and continents are shown as lines on the map. But these lines are not seen on the land. They are merely representations on the map for understanding. The features like the roads, railways, and water bodies are present on the ground.