The central idea of a geography lesson is to provide an understanding of the physical and cultural features of our planet's surface. It involves learning about the relationships between people, the environment, and the resources they use. Geography lessons help students understand how the world works and how to navigate it. Below are the key points that explain the central idea of geography lesson:

The Physical and Cultural Features of the Earth
- Geography lessons help students understand the physical features of the earth such as mountains, oceans, rivers, and deserts.
- It also teaches about the cultural features of the earth such as languages, religions, customs, and traditions.

The Relationship between People, Environment, and Resources
- Geography lessons help students understand how people interact with their environment.
- It also teaches about the resources that people use to sustain their way of life such as food, water, and energy.

The Importance of Location
- Geography lessons emphasize the importance of location and how it affects the way people live.
- It teaches about the different regions of the world and how they are connected.

The Impact of Human Activities on the Environment
- Geography lessons help students understand the impact of human activities on the environment.
- It teaches about issues such as pollution, deforestation, and climate change.

The Role of Geography in Solving Global Problems
- Geography lessons help students understand the role of geography in solving global problems.
- It teaches about issues such as poverty, inequality, and conflict, and how geography can be used to address these issues.

In conclusion, the central idea of a geography lesson is to provide students with an understanding of the physical and cultural features of the earth, the relationship between people, environment, and resources, the importance of location, the impact of human activities on the environment, and the role of geography in solving global problems. It is a vital subject that helps students understand how the world works and how to navigate it.

When the poet sees the earth from the sky many questions aroused in his mind. He says that he can understand the geographical structure of the earth whereas he can't understand why the people hate and kill each other that was the central theme of the poem