Go in Definition 1 of 4Pro Tip 1/3Physical Movement The phrase emphasizes the action of entering a place with purpose or routine. He goes in the store quickly to grab some milk. Pro Tip 2/3Starting Activity It can signal the start of an activity or work inside the entered place. She goes in the studio and immediately begins to paint. Pro Tip 3/3Specific Direction Used to specify the direction towards the inside of an enclosed space. The cat goes in the box when it's scared.