Booting a computer:
Booting is a start-up sequence that starts the operating system of a computer when it is turned on.
An Operation of turning on the computer to turning off or restarting.
A user interface, also called a "UI" or simply an "interface," is the means in which a person controls a software application or hardware device. A good user interface provides a "user-friendly" experience, allowing the user to interact with the software or hardware in a natural and intuitive way.
An object is a data structure that represents a system resource, such as a file, thread, or graphic image.
This is meaning that you can perform tasks like making folders and creating shortcuts, it also includes searching for items.
A file manager or file browser is a computer program that provides a user interface to manage files and folders.