activating internet hyperlinks by pressing the Enter key whilst the caret is placed within themĬaret navigation usually also incorporates a form of viewport scrolling control where the caret moves freely within certain margins of a static display but triggers a scrolling event upon reaching one of the margins (either the edge of the screen/window/text field or a point a certain number of lines/characters within said edge).inserting and deleting text and control characters at or from an arbitrary point, including cut and paste functions.change size/font or copy to the clipboard, by holding shift and pressing the arrow cursor or other navigation keys, which commonly extends a coloured or inverse-video highlight over the selected area The user can also perform various actions to manipulate the text, such as: Once the cursor has been positioned as desired, any text typed will appear at the location of the cursor, either inserting the text and pushing any subsequent text further downwards, or overwriting any existing text (a mode of operation typically toggled by the Insert Key on most computer keyboards/systems). The user can then navigate throughout the text by using the arrow navigation keys to cause the cursor to move typically changing the cursor's location in increments of character position horizontally and of text line vertically. In this text navigation mode the ‘cursor’, often depicted as a blinking vertical line, appears within the text on-screen.

This can be contrasted with the alternative and more usual control methods of using a mouse to point to links and select text for copying or editing, or using tabs to step through and highlight each link on the page in turn. where it is referred to as ‘caret browsing’ it is typically accessed with the function key f7. This kind of navigation is also supported by the major web browsers, namely Mozilla Firefox, Chromium (with derivatives of said browsers retaining this feature) and Internet Explorer. It is a fundamental feature for applications that deal with text, for example text editors (e.g., Notepad, Emacs and Vim), word processors (e.g., Microsoft Word, WordPerfect and WordStar), document viewer (e.g., Atril), desktop publishing programs (e.g., PageMaker, Microsoft Publisher), and spreadsheets (e.g., Excel, Lotus 123).

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