Bunching Behaviour

A colleague of mine has started a hobby called cow herding, using her Australian sheepdog. I decided to look into the practice and see what it's about:

• Acquire Purple Cow Herding Methods to Thrill Customers
• Low Stress Methods for Moving and Herding Cattle on Pastures, Paddocks, and large Feedlot Pens

Was she being literal or figurative? Or both?

Time for blog silence to begin. Have a good couple of months.