On Thu, Jan 22, 2015, at 16:47, Raphaël Proust wrote: > When you have a vertical line in a text, indicating where the > character you type will appear: it's called a caret.
Or, more relevantly to a (mostly) read-only application like a web browser, to enable you to precisely position it with the keyboard to begin a selection for copying. The arrow keys move the caret rather than scrolling the page.