Foreground
Foreground is the part of an image that is closest to the viewer, in most cases it is located in front of the subject. For example in the image below the pebbles are the foreground. By adding the pebbles it helps enhance the subject and its environment.
By capturing the pebbles in the foreground it gives the viewer more of an understanding of the scene and location.
Leading lines- this the a common way to lead the eye towards the subject. This can involve simple things like a railway track which will lead your eye towards where the railway tracks lead. By using foreground lines it can be an advantage as you are able to interest your observer and focus them on your subject.
For example this image on the left has a leading lines which draws the viewer into the hills and train. Therefore the train must be the subject and the line is in a sense forcing us to attracted to it. As another advantage you can also use contrast in the foreground of the image. If the foreground is dark is can help to frame the subject and lead the viewers attention. If the image gets too distracting, you can open your aperture more and blur it out.
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