Here are some examples of different types of droids:
* Astromech droids: These are small, spherical robots with various functions, often used for navigation and maintenance. R2-D2 is the most famous example.
* Protocol droids: Designed for communication and translation. C-3PO is the classic example.
* Battle droids: These are combat robots used by the Separatist forces during the Clone Wars.
* Medical droids: Specialized in providing medical care.
* Assassin droids: Designed for combat and assassination.
* Droid control ships: Used for controlling large numbers of droids.
While "droid" is the most common term, you may also find other terms used in specific contexts, such as "robot" or "mechanical unit".