I have read in Codecademy that
To access the command line, we use a terminal emulator, often just called the terminal.
This gave me the impression that PowerShell and Command Prompt are terminal emulators but when I checked the list of terminal emulators for windows I found the following list in Wikipedia. I would really appreciate it if anyone can help me understand what terminal emulators are, what PowerShell and Command Prompt are, How these things are different. Thank you!
Terminal emulators are applications that emulate the behavior of character-oriented hardware terminals from the early days of computing. For all practical purposes, the Windows Console is an instance of a terminal emulator, as is its modern successor, Windows Terminal.
Typically, the applications that run inside these emulators are interactive shells[1] such as PowerShell and cmd.exe, which act as command-line interpreters, which enable running other applications as well as commands built into those shells and scripts written for those shells.
[1] On Windows, somewhat confusingly, the term shell is also used for the graphical (GUI) shell that provides the Windows desktop and File Explorer. Overall, however, the term shell usually refers to terminal-, character-based shells, such as the POSIX-like shells in the Unix world (a prominent example of which is Bash), and to PowerShell on Windows, as its name implies; while the term conceptually also applies to cmd.exe, historically it hasn't been used much in that context.
