Don't allow yourself to be confused by distractions if you have no clue what something is you can always ask Google.
- an act or instance of distorting.
- the state of being distorted or the relative degree or amount by which something is distorted or distorts.
- anything that is distorted, as a sound, image, fact, etc.
- Optics. an aberration of a lens or system of lenses in which the magnification of the object varies with the lateral distance from the axis of the lens