Colors Sported by Shorkies. Yorkshire terriers are typically tan and black, although blue is one variation that is accepted. Shih Tzus bring a whole rainbow of color to the party, though, with all colors from cream to red to black to white.
Age set. In anthropology, an age set is a social category or corporate social group, consisting of people of similar age, who have a common identity, maintain close ties over a prolonged period, and together pass through a series of age-related statuses. This is in contrast to an age grade, through which people pass individually over time.
A Harris Interactive poll used what I think are the most interesting age-group descriptors (shown in Table 2 of the linked document): Echo Boomers (18-32), Gen. X (33-44), Baby Boomers (45-63), Matures (64+)..