External & Internal Branding // 42 External & internal branding. 6 External & internal branding .... 42 Optimal Viewing Distance ................................................ 44 On-building signage .......................................................... 45 Monument Signage ........................................................... 49 Cabinet Signage .................................................................. 50 Door Signage ....................................................................... 51 Interior Office Signage ...................................................... 53 Directional Signage ............................................................ 54