Check all the posts in my blog to learn guitar scales and chord. You will get a clear image about how the chords are placed on the fretboard of guitar by looking those images. You can enlarge the images by clicking on it.
These posts and the images are prepared by me for all my guitar lovers of the whole world. Also, i'm really glad to permit you to save the images but with the condition that it should not be published in any other sites without my site link.
Look up on the C major scale :C major is a musical major scale based on C consisting of the pitches C,D,E,F,G,A,B and C.Its key signature contains no flats or sharps.It is a natural scale. When you go through the older posts of chords and scales it will be much more clear for you.
All the best and have a nice time!