Sonja is a fictional character from the Underworld series of films. This character is the daughter of the vampire elder Viktor, introduced by flashback, in Underworld. Red Sonja, the She-Devil with a Sword, is a fictional character who first appeared in Conan the Barbarian #23 (Marvel Comics).
tetralogy (plural tetralogies) 1  A set of four works of art that are connected, and that can be seen either as a single work or as four individual works. They are commonly found in literature, film, or video games. ( 2 medicine) A combination of four symptoms.
Tectonics (from the Late Latin tectonicus from the Greek ÏÎµÎºÏÎ¿Î½Î¹ÎºÏÏ, pertaining to building ) is concerned with the processes which control the structure and properties of the Earth's crust, and its evolution through time.he lithosphere is divided into separate 'plates' that move relative to each other on the underlying, relatively weak asthenosphere in a process ultimately driven by the continuous loss of heat from the earth's interior.