Learner's definition of MODE
1 a : a particular form or type of something (such as transportation or behavior)
b : a particular way of doing something
We're changing the factory's mode [=method] of operation in order to save money.
Technology has created new modes of communication.
different modes of thought
buses, trains, airplanes, and other modes of transportation
2 : the state in which a machine does a particular function
The VCR has two different recording modes.
When taking pictures indoors, put the camera in flash mode.
3 informal : a specified way of thinking, feeling, or acting
Let's get into work mode. [=let's get ready to work]
When I'm in my creative mode [=when I'm feeling creative], I can write for hours.
Reading helps me get into my relaxation mode.
He goes into attack mode [=he becomes very hostile and aggressive] whenever his decisions are questioned.