USB-C is the latest universal connector standard for transferring data and delivering power. Unlike USB-A and Micro-USB, the connector has no fixed orientation: you can insert it either way round, which eliminates the frustration of getting it wrong.
The USB-C port itself is small and symmetrical, measuring about 8.4 mm wide. What makes it powerful is the standard behind it. USB-C supports multiple protocols, including USB 3.1 (fast data transfer), Thunderbolt 3 (on certain devices), and Power Delivery (high-speed charging). A single USB-C cable can carry video, audio, and power simultaneously, potentially replacing several different connectors.
Real-world example: many modern laptops, including the MacBook Air and recent Dell XPS models, charge entirely through USB-C ports. You can use the same cable to charge your laptop, phone, and tablet if they all have USB-C. Some phones support fast charging through USB-C (20W, 30W, or higher depending on the device).
When buying a new device, check whether it has USB-C rather than older standards like Micro-USB or proprietary connectors. If you own multiple devices, USB-C creates an ecosystem where one cable works across many products. However, verify the power delivery capability of any charger: not all USB-C chargers deliver the same wattage, so a phone charger may not be suitable for a laptop.