Definitions of mode:

• noun:   the most frequent value of a random variable
• noun:   any of various fixed orders of the various diatonic notes within an octave
• noun:   a particular functioning condition or arrangement

  Example: "Switched from keyboard to voice mode"

• noun:   how something is done or how it happens

  Example: "Their nomadic mode of existence"

• noun:   verb inflections that express how the action or state is conceived by the speaker
• noun:   a classification of propositions on the basis of whether they claim necessity or possibility or impossibility
• name:  A surname (very rare: popularity rank in the U.S.: #22794)