What does "FAO" mean in this letter? FAO: Mr. K. Boswell, Manager, Fullerton Hardware Dear Mr. Boswell Further to our telephone conversation this morning, I have pleasure in enclosing our brochure and a price list for Jaylon products and acomplimentary sample of the Shrieker alarm for your inspection. Here at!Jaylon, we think that you have to hear it to believe it! .....