Final Answer:
The "show crop region" tool is used to toggle the visibility of the crop region box.
Step-by-step explanation:
The "show crop region" tool serves as a toggle switch to control the visibility of the crop region box within an image editing or manipulation software. When activated, this tool displays the boundary or box that delineates the area marked for cropping. It enables users to visualize and adjust the dimensions and position of the crop before finalizing the changes.
By activating this tool, the software highlights the specific region that will be retained after cropping, allowing users to make precise adjustments. This feature is particularly helpful when working on intricate edits or when the exact crop dimensions are crucial.
Conversely, toggling off the "show crop region" tool hides the boundary box, providing a clear view of the entire image without the distraction of the cropping region. This functionality allows for a better assessment of the overall composition or to compare before and after views, aiding in decision-making during the editing process.
In essence, the "show crop region" tool offers convenience and control, letting users seamlessly switch between viewing the cropped area and the full image, facilitating efficient editing and ensuring accurate cropping without obstructing the overall view of the image.