Question: Sentence 1: Their nomadic mode of existence.
Sentence 2: Switched from keyboard to voice mode.
Does mode mean the same thing in these two sentences?
============
Answer: different meanings

Question: Sentence 1: Please turn down the volume on the stereo.
Sentence 2: The kids played their music at full volume.
Does volume mean the same thing in these two sentences?
============
Answer: the same meaning

Question: Sentence 1: The line of soldiers advanced with their bayonets fixed.
Sentence 2: They were arrayed in line of battle.
Does line mean the same thing in these two sentences?
============
Answer:
the same meaning