The following are guitar chord charts for Major chords. For more info on reading guitar chord charts, check out the Guitar Chord Primer.
Open Position Major
These chords don't contain any open strings, therefore
they can be played on any fret. The root of the chord (the
letter name ex. A, C, D etc.) is the square. In order to
know what the name of the chord is, you will need to know
of the notes on the neck
Major Chords - Alternate Bass
These major chords have note other than the root as the lowest sounding note.