Here will be keywords which can be considered as good for your image.
Here will be keywords which can be considered as not so good, but plausible.
Most used keywords
Keywords listed here are most used with images with similar titles. Looks like they can't help customers to distinguish your image from others and too common.
Less used keywords
This keywords is less often used with images with similar title.
Keyworder tool, version
, database version
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