The bottom line on the diagram is the top string on the guitar (the bass string).
Study & compare the pictures here and also the videos next
E Major Chord The numbers = the Fingers to use
E Major Chord The numbers = the Fingers to use, first finger being the Index finger, third finger being the Ring finger etc...
VIDEO 2a -
Memorise the six strings on the Guitar
Every Australian Day Gets Bright Eventually
VIDEO 2a
3b - Play your First Chord of E Major
Note: Watch the Video and copy and master this chord. You need to become very comfortable with this chord shape, then move on to Lesson 4 and do the same with those new Chords too