What does Bushra mean?
Bushra (بشرى, bushra) means 'good news, glad tidings', from the Arabic root b-sh-r. The same root gives the verb 'to bring good news' and appears in the Quran.
What does Kalila mean?
An Arabic feminine name linked to the root kh-l-l behind khalil 'close friend, companion, beloved'. Sources give both 'beloved/sweetheart' and 'dear friend'; the 'friend' sense is the more literal core, so treat 'beloved' as the affectionate extension.