Learn To Play Guitar

When reading guitar chords online … what it means.?

I'm totally trying to learn on my own guitar, while quite good so far. What does D / F # mean in the chord progressions. Take for example Eric Clapton's miracle tonight's "GD / F # CDGD / F # CD" Are they the same Chord or something … please help. That makes perfect sense, plus it sounds good, thank you!

I'm not a guitarist, but my husband is, and he explained to me before. D / F # D major is while playing the bass in F # role playing games, the D-flat major cord, but the bass-chord in F # and.