So what are your options when your digital assets already have metadata that contains buzzwords?

If buzzwords are to be avoided what can be done with the asset included in this post?
It has the term Biofuels included in the title. The term biofuel is still a new term and may be supplanted in the future by biomass energy, biodiesel or even bio fuels.

How do you guard your asset from terminology changes?

To give this image higher future reuse, beyond just the context of biofuels, including some keywords from a controlled vocabulary can provide a greater context.

Photograph:
Title: Biofuels Work At Argonne
Suggested Keywords: SCIENTIFIC EQUIPMENT, ERLENMEYER FLASK, LABORATORY, FUME HOOD, CHEMISTRY

These terms are both more general for some subjects seen in the image, but also very relevant and specific, like the use of the term Erlenmeyer Flask and Fume Hood.

What shouldn’t be included with this image, because they will be inferred rather than factual, are:

MICROBIOLOGY, BIOETHANOL, BIODIESEL, RENEWABLE ENERGY

Just to name a few. It is best, to get good reuse of an asset, to keep keywords factual to what can be seen or truly known about the asset. It is unknown exactly what is in those flasks (is it biodiesel or some other liquid being processed for another reason or  does this liquid even relate to microbiology).