Animations are like Anchors, in that they define percieved layout for a UI region. A region is visible UI element that can dictate its own layout, like FontString, Texture and Frame. Animations is a list of AnimationGroups each of which hold a set of Animations or animation transitions, such as Alpha, Scale, Rotation, and Translation. Example: self:GetParent().textString:SetText("animating"); self:GetParent().textString:SetText(""); This example animation will change the aparent alpha of 'MyFrame', and set a font string to say 'animating' while the animation is running.