USB Type A-C and Micro USB

The USB receptacle on your PC is a type A connector and can be recognized by its rectangular shape. Type A receptacles can be found on upstream devices such as a USB host, or a hub. Type A plugs can be found on cables, and smaller peripherals such as a mouse and a flash drive.

digital.ni.com

USB Type-B. Typically, the Type-B connector is the other end of a standard USB cable that plugs into peripheral device (such as a printer, a phone or an external hard drive). It's also known as Type B-male. On the peripheral device, the USB port is called Type B-female.

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USB Type-C is a USB specification for a small 24-pin fully reversible-plug connector for USB devices and USB cabling. The USB Type-C Specification 1.0 was published by the USB Implementers Forum (USB-IF) and was finalized in August 2014. It was developed at roughly the same time as the USB 3.1 specification.

en.wikipedia.org

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Micro USB is a miniaturized version of the Universal Serial Bus (USB) interface developed for connecting compact and mobile devices such as smartphones, MP3 players, GPS devices, photo printers and digital cameras.

whatis.techtarget.com

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