A defect or imperfection

A mistake or error

गलती

English Usage: It was my fault that we missed the train.

Hindi Usage: यह मेरी गलती थी कि हम ट्रेन चूक गए।

A pattern or picture made by arranging together small colored pieces of hard material

A combination of diverse elements or characteristics

विविधता

English Usage: The city is a mosaic of different cultures and traditions.

Hindi Usage: यह शहर विभिन्न संस्कृतियों और परंपराओं का एक मोज़ेक है।