We have a small mess surrounding the volume tag.
Some of the questions are relating to sound / volume / loudness / audio.
Some are relating to storage and the concept of physical or logical volumes.
We already have well established tags for filesystem with about 100 questions and audio with about 400 questions that could probably serve for either meaning of "volume"
Should we leave the tag as ambiguous or perhaps clean things up and then make it a synonym of one or the other ideas?