Как по Английски будет иметь представление

verb

Be aware of through observation, inquiry, or information.

Примеры использования:

Most people know that cfcs can damage the ozone layer

Be cognizant or aware of a fact or a piece of information

noun

To have knowledge about something that most people do not have

Примеры использования:

This resort is considered by those who are in the know to have the best downhill skiing in europe.