The F keys are the function keys located on the top row of a computer keyboard. These keys are typically labeled as F1 through F12. However, there are various synonyms used when referring to these keys. Some call them function keys or Fn keys, while others refer to them as hotkeys or shortcut keys. Some also simply refer to them by their numbered designation, such as F4 or F11. These keys are commonly used for a variety of tasks, such as adjusting screen brightness, opening a search window, or refreshing a webpage. Knowing the various synonyms for the F keys can help when troubleshooting issues or searching for keyboard shortcuts.