The program allows you to compose your photos or, in other words, to crop them for printing.
Let us say, you want to select an area of a photo to print it out instead of printing the whole image. You should arrange images on a page, select a photo you would like to frame for printing, and press the Framing button:
Place the cursor on a corner of the frame and click-drag to resize the image area selected for printing:
Place the cursor inside the frame and click-drag to move the frame over the image:
Thus, using resizing and moving the frame, you can achieve desired result in photo composition. Click Ok to print only the selected area of the image: