One can look up the utf8 character for different typographical characters and copy and paste them in. On macOS at least, there is a keyboard shortcut for "emojis" (Cntl+Cmd+Space) and a little window shows up where you can search for emojis by name, and typographical characters by name (such as "em dash"). —pjh
Bring up the keyboard viewer widget on macOS and it will show you a live preview of what each key is... you can hold down the modifiers to see how the keys change.
