wht it means when chords are written like D/F# or Em/G

hi
pls tell me wht it means when chords are written like D/F# or Em/G or anything like that. also when its in bracket like (A). i have seen a lot of it on olga but cant make the meaning. :think:

 

hi anurag..

i'm not an xpert in guitar...
but i can vaguely answer some parts of ur qs like...
what is D/F#... it means the rhythm guitarist plays D while the base guitarist plays F#.. same thing for Em/G..

if u wan2 play D/F# in just one guitar.. u can do so too.. but i dont know the chord chart 4 those chords.. i know its not a vry good xplanation.. just wantd 2 help.. :

 

Those are called Slash-chords

https://www.cyberfret.com/chords/slash-chords/index.php

 

the link contain a very good explanation thanx
thx for the effort subro, u can also have a look there