Elizabeth Southerland knows how lawyers should talk to to clients. A sample from her article at LLRX.com:

Sometimes lawyers—and others trying to sell me professional services—seem to believe that I must treasure their 47-page footnoted memo because their craft is so complex that only something that reads like a technical manual or Ph.D. thesis is adequate to convey their scintillating insights. There is one problem with their approach: I wouldn’t pay for these professional services.