भर

The word भर is often used as an adverb or adjective that implies totality, entirety, or a particular duration, etc. Consider an example:

लोग देश भर में दिवाली मना रहे थे – “People across the country were celebrating Diwali”

Here are other common usages:

दुनिया भर / विश्व भर – “worldwide / throughout the world”
दिन भर – “all day long / an entire day”
रात भर – “all night long / an entire night”
हफ्ते भर / सप्ताह भर – “all week long / an entire week”
पल भर / क्षण भर – “momentarily”
ज़िन्दगी भर – “for a lifetime / lifelong”