Humanoid chemists have five senses, only one "taste" tag isn't enough (AKA reaching a consensus about the "sense" tags)

Question

I'm not interested in the history of how this taste got through and was made, but it has done a fairly successful job as a tag:

• 13 questions currently tagged; more or less, it does make sense on them.
• No serious mistags observed (Depends on how we look at it though)
• There's some expectation of future use for this tag; no one has thought of burninating it.

However, as this question made me wonder,

• Currently there are 158 results, searching for smell.
• A small check proves some of them are only about smells, and the most recent question suffers from lack of good tags.
• A smell could do the same to these questions, just as taste does.

Now, this is a tough choice. These are not really chemistry-oriented tags. They don't look like meta tags to me either - They do tell something about the question. And we have five senses: Taste, sight, sound, touch and smell.

I even can imagine plausible chem questions for each possible tag:

1. Smell: What causes the old book smell?¹
2. Touch: Why does my skin feel itchy when I touch plant X?
3. Sight: I saw a bright blue light when I reacted Y with Z. What was that I observed?
4. Sound: What was the squeaking sound when I heated A in the beaker?
5. Taste: What compounds exist in the bitter peel of specific fruits?²

Now, as I'm totally a molecule, I might not understand human senses, specially those of chemists'. A tag for smell might be a good idea, but there's a big potential of misuse in sound and sight, alongside the fact that these can really be treated as meta tags.

Now, what should we do?

• Create one new tag for smell?
• Burninate taste?
• Create one big tag for all of the human senses?
• Create four more tags for five senses, separately?
• Upvote this meta discussion? $$\vdots$$

Have your say, and thanks for reading!

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_{1: Shameless self-advertisement here.
2: See one.}

Answer 1

Hmm, let's see what advantages and disadvantages are to each option.

Create one new tag for smell

Pros:

• There are a lot of questions that can benefit from having this new tag, as everyday-chemistry isn't helpful at all in categorizing them.
• This is less a meta tag than everyday-chemistry.
• This is the only popular sense here other than taste.

Cons:

• Having tags for only two senses outta five might make our tagging system look incomplete and unreasonable.
• Unicorns.

Burninate taste

Pros:

• We'd have fewer headaches with all this meta discussion. Senses aren't really chemistry.
• It'd follow the all or nothing rule. More harmonizing as tags for senses will be forbidden.
• As it's only 13 questions tagged with taste, the loss might just not be really drastic and big.

Cons:

• 13 questions currently tagged with this tag will miss a good and relevant tag.

Create one big tag for all of the human senses

Pros:

• Instead of little little tags we'd have a universal tag.
• This also follows the all or nothing rule - The tagging system might look neater.
• Followers of this tag can find questions easier; as this is generally about humanoid perception of things they observe, more generally.

Cons:

• This would become a meta tag; its description of what questions it contains is really vague.

Create four more tags for a collection of five tags

Pros:

• taste has done good; with a little bit caring, these tags could do the same too.
• Follows the all or nothing rule.

Cons:

• sound and sight might become extraordinarily misused tags. Basically, all the questions rise because you saw or heard something.
• touch hasn't had questions it could reasonably be applied to, not that I have seen. It might just be created and sit there, with no use and benefit.

So, I vote for one. I don't have anything in mind for reconsidering the tags' scope though.

So, what are your two cents on this? Which one do you choose? Any more options you recommend? Any scope redefining?