Final answer:
To reset all drawings, the turtle's position, and settings in a turtle graphics library, commands like 'clearscreen' or 'reset' are used, with 'reset' typically reverting everything to default settings.
Step-by-step explanation:
To erase all of the drawings on the screen, reset the color to black, reset the graphics window's background, and reset the turtle to its original position, you would likely use a sequence of commands if you are working with a turtle graphics library, such as the Python Turtle module. The exact command to clear the drawings and reset the turtle would be 'clearscreen' or 'reset', depending on the language and library you are working with. The command 'reset' usually clears everything (the window, resets the turtle's position and heading) and sets everything back to defaults, whereas 'clear' might only clear the drawings without moving the turtle or changing the settings.
For example, in Python's Turtle graphics:
- 'turtle.clear()' would clear the drawings from the window.
- 'turtle.reset()' would do all the other tasks - reset the drawings, the turtle's position, orientation, pen color, and background color to defaults.