Jeff AtwoodAdded a well deserved reward bounty to a Mac question -- I had no idea Macs DO NOT allow you to move word by word with keyboard shortcuts out of the box! https://apple.stackexchange.com/questions/52147/control-arrow-key-to-jump-to-the-next-word
Paul Haddad 
@codinghorror I think default at least on modern OSes, option arrow moves word to word, control arrow does spaces, command arrow goes to start/end of line, shift arrow selects from where you are.
@paul "modern"? Windows has always been CTRL+arrow for word, e.g. https://blog.codinghorror.com/very-basic-textbox-keyboard-shortcuts/
(Very) Basic Textbox Keyboard Shortcuts
Everyone knows how to use the arrow keys to navigate within textboxes. But not many people know there are a slew of handy keyboard shortcuts for editing text in textboxes. And these keyboard shortcuts work everywhere, even in the most basic input areas – including vanilla HTML forms, such as the
Armin Hanisch