Aura

Another way of describing the visible sign of an ongoing effect. Some, like , will literally display as a glow or aura surrounding your character. displays a glowing ethereal shield spinning around your body (see picture, right).
For an opponent or player other than yourself, this will show as an icon under their target portrait.
For yourself, look just to the left of the minimap for the "effects bar" area of the UI. This will show an icon for any effects that currently apply to you. A time under the icon tells you how the remaining duration of the effect.