›to start doing a particular type of work: My son's planning to go into journalism.She's decided to go into business as a freelance computer programmer.
›to discuss, examine, or explain something in a detailed or careful way: The company has gone into detail about the prospects for each division.
›if time, money,la or effort goes into a product or activity, it is used when producing or doing it: A considerable amount of time and effort has gone into this marketing campaign.