This is the 562nd most frequent German word.
büro
Office.
Here, 'Büro' is used to refer to the physical place where work is carried out.
Ich arbeite in einem Büro.
I work in an office.
In this sentence, 'Büro' again refers to the workspace, but the context emphasizes an action performed in that space.
Wir haben das Büro gestern aufgeräumt.
We tidied up the office yesterday.
Here, 'Büro' is part of a compound concept (paperless office), illustrating its use in describing ideas related to workplace innovation.