mode
The German word 'Modus' is a direct translation of the English word 'mode'. It is used in the same way, to describe a particular form, method, or style of something. It can refer to a way of operating, a method of doing something, or a particular state or condition. For example, you might say 'Der Modus der Präsentation war sehr interessant' (The mode of presentation was very interesting).
The mode is set to 'Auto'.
This sentence refers to a setting being in 'Auto' mode, like a camera or computer setting.
Modus Vivendi is an important term.
Modus Vivendi is a Latin term which is also often used in German - and English - to describe a way of life or a temporary agreement between conflicting parties to live in peace.
We need to change the mode of our operations.
This sentence suggests a change in the way some operations are performed, or changing the 'mode' in which operations are performed.