Open a lock by key, code, or mechanism

• Unfasten a locked door, lid, or device

Authorize access to a protected device, account, or file

• Remove carrier or region restrictions on a phone or service
• Enable features or content previously limited or paid

Reveal or make available hidden knowledge, potential, or solutions

• Provide the key to understanding or achieving something

Become unlatched or unfastened from a locked state

The act of unlocking something

A hidden feature or content granted for an achievement