'...Credibility (is credible on the subject); Reliability (is dependable, someone who delivers, does what they say they will do); Intimacy (referring to the safety or security that we feel when entrusting someone with something); and self-orientation (referring to the person’s focus and whether, in particular, their primary focus is on themselves and what they can get out of it, or on the other person)...' (Only Dead Fish. May 2017)
Comes from this book, highlighted by Mark Raheja really interesting approach worth following all the connected links between this and a connected thought about purpose and brands.