"Electrical" refers to anything related to electricity, which is a form of energy resulting from the movement of charged particles, such as electrons. This energy can be harnessed to power devices, light homes, and run machines. Common applications of electrical energy include lighting, heating, and powering electronic devices like computers and smartphones. In the field of engineering, electrical engineers design and develop systems that use electricity. They work on a variety of projects, from creating circuits for small gadgets to developing large power grids that supply electricity to cities. Understanding electrical principles is essential for innovation in technology and energy management.