The manuals to the zsh are often installed incorrectly. This is partly due to the setup scripts, but also because most admins just do not care about doing it properly. This is good for searching. If this does not work then complain to your admin. If you are the admin, well, kick yourself.
Input editing Typing in commands to a shell can be quite easy.
The last example shows a prompt that includes the time the prompt was written. More about this later. Other commands delete some or all of your input. I am sure you will use these movement commands most often. The commands should now allow you to do most of all input you do.