Which application tool usually provides quick access to commonly used commands and functions?

The correct choice is the toolbar, as it is specifically designed to provide quick access to commonly used commands and functions within an application. Toolbars typically contain icons or buttons that represent different functions, such as saving a file, printing, or formatting text, allowing users to perform these actions without navigating through multiple menus. This accessibility enhances user efficiency and streamlines workflows, making it easy to find and utilize essential features quickly.

In contrast, a context menu appears when users right-click on a specific item or area, displaying a list of relevant actions but not necessarily the most frequently used commands. The status bar typically displays information relevant to the current state of the application, such as file details or progress indicators, rather than providing direct access to functions. The command line allows users to perform tasks using textual input, which requires a different skill set and does not provide the same visual shortcuts as a toolbar. Thus, the toolbar is the best choice for quick access to common application functions.