noun
amount of information; information volume
General term for how much information is present, used in everyday contexts.
この資料は情報量が多すぎて、要点がわかりにくい。
This document has too much information, making it hard to grasp the main points.
noun
information content; Shannon information;
Technical term in information theory; measures the uncertainty or surprise associated with an event.
情報理論では、事象の情報量はその生起確率の対数で定義される。
In information theory, the information content of an event is defined by the logarithm of its probability.