insight

noun

1. (countable, uncountable)A sight or view of the interior of anything; a deep inspection or view; introspection; frequently used with into.

   “The history of our study of our solar system shows us clearly that accepted and conventional ideas are often wrong, and that fundamental insights can arise from the most unexpected sources.”

   “This paper surveys the research methods and approaches used in the multidisciplinary field of applied language studies or language education over the last fourty^([sic]) years. Drawing on insights gained in psycho- and sociolinguistics, educational linguistics and linguistic anthropology with regard to language and culture, it is organized around five major questions that concern language educators.”

2. (countable, uncountable)Power of acute observation and deduction.

   “Corbett has an interesting insight into the reactions of his colleagues from diverse backgrounds: "The ex-British Rail people responded much better than those from the private sector. In terms of helping, the private sector people headed for the hills, while the railway people, like Chris Leah [the operations director] and Dick Fearn [the Midlands Zone director] moved towards the gunfire. The non-railway people on the whole didn't."”

3. (countable, uncountable)Knowledge (usually derived from consumer understanding) that a company applies in order to make a product or brand perform better and be more appealing to customers
4. (countable, uncountable)Intuitive apprehension of the inner nature of a thing or things; intuition.
5. (countable, uncountable)An extended understanding of a subject resulting from identification of relationships and behaviors within a model, context, or scenario.
6. (countable, uncountable)An individual's awareness of the nature and severity of one's mental illness.