Dumb-Down Principle for qualifiers
The fifteen elements should be usable and understandable with or without the qualifiers
Like saying that nouns can stand on their own without adjectives
If your search engine encounters an unfamiliar qualifier, look it up somewhere -- or just ignore it!
To test whether a qualifiers are "good", cover the qualifiers with your hand and ask:
- Does the statement still make sense?
- Is it correct?