An addition or attachment, typically to a larger entity.

A supplementary structure added to a building.

एक संरचना जो एक भवन में जोड़ी जाती है।

English Usage: The school added an annex for the new classrooms.

Hindi Usage: स्कूल ने नए कक्षाओं के लिए एक अनुवर्ती जोड़ी।