Doubt from nucleophilic substitution

I cant understand solution
here are my doubt
why there is less -I and -R in second option in solution?
How there are 2 -I and no -R in third option of solution?
I know it has to something with ortho and meta, can someone list the exact reason

Bro , GOC ya jahan aapne resonance padha tha uske notes dekho apne . Aapke doubts clear karne ke liye acche se diagrams banane padenge jo ki aapko apne notes me mil jayenge.