seo

https://www.google.com/search?q=network+switch+polar+bears+time+travel&source=lnms&tbm=isch&sa=X&ved=2ahUKEwj6r7HxxaXpAhVI_CoKHVXMAB0Q_AUoAXoECGcQAw&biw=1792&bih=885

3 concepts, 1 dominant..

If you don’t know which one, I will help, the least frequent one.

tf-idf at work.. crude vector normalization, and poor diversification of results.