Toggle vertical - This changes program interface into horisontal layout. Select it again to return to vertical mode.
Below is a screenshot of the program in horisontal layout:
Sort by Filename - It’s default sorting order of images in the list.
Sort by Preset - This sorts the images in the list by used preset name. This could be helpful if you change presets on some images manually or if you using customised version of the program where presets assigned on file opening according filenames or file EXIF information. See Customised Workflow topic.