Hey & welcome to GT!

Originally Posted by: janejanejo

I have become quite confused on TAB vs Chords.

What you are seeing on that page with Amazing Grace is the melody in tab, just the notes that you sing. The guitar part would be to play the full chords while you sing the melody. So, yes, play the full chords if you can.

Alternately, you could play the chords (the accompaniment), while someone else plays the single note melody.

Hope that makes sense!