This is the 2298th most frequent Japanese word.
idr
The term "idr" doesn't exist as a Japanese word. It may be a typo or abbreviation in a different context.
'ID' here represents 'identification card or credentials'. It is used to denote something needed to verify identity.
IDが必要です。
An ID is required.
'ID' in this sentence is used to refer to a physical identification card or badge a person receives.
新しいIDが届きました。
The new ID has arrived.
'ID' is used in the context of a digital identifier, like a username or login ID for access.