Studies of signal relations suggest that the best way to ensure a strong CR is to make sure that the CS

The attention line is placed above the recipient line, that is, above the name of the firm to which the mail-piece  is directed.

Personality is a mixture of characteristics/qualities that form an individual's distinctive persona. it can be influenced by environmental and biological factors; one's culture is a most important factor that shape personality. extreme mood swings, unstable relationships, distorted self-image, impulsive/risky behavior, explosive anger, chronic feelings of sadness/emptiness, etc. these could indicate that someone could have a personality disorder.