To connect to a network or the internet; to launch a digital service or system

To start a manufacturing line or put a product into mass production

(usually negative) A superior or direct contact in a hierarchy, such as in a spy ring, criminal gang, or multi-level marketing scheme

To reach a required standard or score, especially the minimum passing grade for school admissions or job recruitment

(Mainland China) To escalate an ordinary issue to the level of political principles; often used in the phrase 上纲上线 shàng​gāng​shàng​xiàn