Renewable energy is energy produced from sources like the sun and wind that are naturally replenished and do not run out. It is often referred to as clean energy, green energy or alternative energy. Renewable energy is an alternative to energy that relies on fossil fuels like oil, gas, and coal and is less harmful on the environment hence transitioning to renewable energy helps to combat climate change.

Security technology are concepts, policies, and components designed to minimize risk, identify vulnerabilities, and inform how and when to respond to potential incidents.

Home automation or domotics is the automatic control of electronic devices in your home. A home automation system will monitor and/or control home attributes such as lighting, climate, entertainment systems, and appliances.

Industrial automation is the use of control systems, such as computers or robots, and information technologies for handling different processes and machinery in an industry to replace a human being.