What does Zarina mean?
From Persian 'zar' (gold), meaning 'golden' or 'made of gold'. Widely used in Persian, Urdu and across South Asia. (Unrelated Slavic 'tsar/zora' associations are sometimes attached but are secondary.)
What does Darya mean?
From Persian daryā meaning 'sea' or 'large body of water'. Distinct from Daria (feminine of Darius), though the two are often confused.