Adams is describing how marketing (tries to) work. Marketing seeks to identify customers. In a manner of consideration, Adams is seeking to acquire better and more targeted search results, or skills in searching for products or services. Google Adwords tries to offers something close. But the Googlers are not very good at this level of targeting. (Yet?) As for specifically contacting buyers, that's expensive for comm…
So say I am retailer of stylish, affordable outdoor furniture, among many other products (that is what is important in the query, more on the Mediterranean part later). I might have an ad campaign dedicated to patio furniture. Within that campaign I might have an ad group for plastic furniture (easy to clean).
That ad group would include a mix of exact and broad match keywords/keyword phrases like patio furniture, budget, cheap, affordable, stylish, along with negative keywords like expensive, wood, etc. The ads would deliver him to a landing page with links to hopefully appropriate furniture. On that page he can then see the various items that meet his basic qualifications - stylish, affordable, easy to clean - and click through to the items that look like they would match his Mediterranean home, with its amber colored concrete patio.
Reading through what I just wrote: I don't know much about the furniture business, but Mediterranean might actually be an important and useful kw to advertise on...