Leading Lines- these are strong lines that direct the viewers eye to the focal point of the image.
Focal Points- The point of a photo that our eyes are naturally drawn to.
Leading lines can be found as either natural objects or ones that are man made examples of these are Wall's, Path's, Sun/Moon Light, Trees and Rivers.
These photos all show examples of leading lines, they show this by leading the viewers eyesight to the focal point of the image. This effect sometimes enhances the photo as it can make it more dramatic such as in 1st and the last photo.