A transparent material or object is see-through and allows light to pass through it almost undisturbed, allowing clear visibility.

(of a system or organization) Open, public; having the property that theories and practices are publicly visible, thereby reducing the chance of corruption.

Obvious; readily apparent; easy to see or understand.

(signal processing) Having the property of transparency, i.e. sufficiently accurate that the compressed result is perceptually indistinguishable from the uncompressed input.

(computing) Not noticeable because it happens automatically or in the background; invisible.