It refers to Srimati Radharani and Giridhari(Krishna’s other name).
R-Female
Radha Dyuti
It refers to the lustre of Srimati Radharani.
Radha Bhakti
It means “Devotion towards Srimati Radharani”.
Radha
Srimati Radharani is also called as Radha, which means “The one who is the bestower of the ultimate divine bliss”.
Racitambara
A name of Srimati Yamuna Devi.