The term "smart" often refers to someone who is intelligent and quick-witted. A smart person can solve problems easily, understand complex ideas, and learn new things quickly. For example, a scientist might be considered smart because they can conduct experiments and analyze data effectively.
In addition to intelligence, "smart" can also describe technology that makes our lives easier. For instance, a smartphone allows us to communicate, access information, and manage our daily tasks all in one device. Similarly, smart home devices can automate tasks like adjusting the temperature or turning on lights, making our homes more efficient.