The core activity of AOG Invest encompasses three main areas: 1. **Energy**: AOG Energy is a part of the company that focuses on the development and investment in sustainable energy sources. 2. **Real Estate**: AOG Real Estate is another part of the company that specializes in the investment and management of real estate. 3. **Investments**: AOG Capital Investment is the third part of the company that focuses on investing in various industries and companies. The company positions itself as an entrepreneur in the energy sector and invests in sustainable energy sources, while also investing in real estate and other companies.