Noun

(en noun)

A sight or view of the interior of anything; a deep inspection or view; introspection; frequently used with into.

* 1980 , Carl Sagan, Cosmos: A Personal Voyage ,

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.

Power of acute observation and deduction; penetration; discernment; perception.

(marketing) 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

The act or result of apprehending the inner nature of things or of seeing intuitively

(artificial intelligence) An extended understanding of a subject resulting from identification of relationships and behaviors within a model, context, or scenario.

Noun

(en noun)

(label) A sum of money paid for instruction (such as in a high school, boarding school, university, or college).

The training or instruction provided by a teacher or tutor.

* {{quote-magazine, date=2013-07-19, author=(Peter Wilby)

, volume=189, issue=6, page=30, magazine=(The Guardian Weekly) , title= Finland spreads word on schools , passage=Imagine a country where children do nothing but play until they start compulsory schooling at age seven. Then, without exception, they attend comprehensives until the age of 16.

(label) care, guardianship.

* 1599 , :

BENEDICK. I have almost matter enough in me for such an embassage; and so I commit you—

CLAUDIO. To the tuition of God: from my house, if I had it,—

DON PEDRO. The sixth of July: your loving friend, Benedick.

BENEDICK. Nay, mock not, mock not.