Variables. A variable is a symbolic name for (or reference to) information. The variable's name represents what information the variable contains. They are called variables because the represented information can change but the operations on the variable remain the same. In general, a program should be written with Symbolic notation, such that a statement is always true symbolically.
Definition of overwatch. 1  1 archaic : to weary or exhaust by keeping awake. 2  2a obsolete : to watch through or throughout (as the night) b : to watch over. 3  3 : to support by fire another element which is moving tanks overwatching an assault battalion.
D.Va is one of the heroes in Overwatch. D.Va is a former professional gamer who now uses her skills to pilot a state-of-the-art mech in defense of her homeland. Twenty years ago, South Korea was attacked by a colossal Omnic monstrosity that rose from the depths of the East China Sea.