What does Malka mean?
Hebrew 'malkah' (מלכה) means 'queen', from the Semitic root m-l-k. The Aramaic form appears in the Book of Daniel. Common as a traditional Jewish/Yiddish name.
What does Liora mean?
Modern Hebrew, the feminine of Lior: li 'for me / my' + or 'light,' hence 'my light' or 'light for me.' A coined given name rather than a biblical one, built transparently from everyday Hebrew words.