Salvo (noun) an exception; a reservation; an excuse. Salvo (noun) a concentrated fire from pieces of artillery, as in endeavoring to make a break in a fortification; a volley. Salvo (noun) a salute paid by a simultaneous, or nearly simultaneous, firing of a number of cannon. Origin: [L. salvo jure, literally
Puberty, Teenagers. Adolescence typically describes the years between ages 13 and 19 and can be considered the transitional stage from childhood to adulthood. However, the physical and psychological changes that occur in adolescence can start earlier, during the preteen or tween years (ages 9 through 12).
In many societies 14 year-olds undergo a rite of passage and then for most purposes are treated as adults. Adolescence is the awkward teenage period between childhood and the adult years (13 to 19 years of age).    Adolescence is the development of young kids. The stage starts  around puberty and last until adulthood. 16 people found this useful.