Before revision: A secure element (SE) is a secure component on a tamper-resistant environment, which is used in a device to provide the security, confidentiality, and multiple application environment required to support various business models.
After revision: A secure element (SE) is a secure operating system (OS) in a tamper-resistant environment, which is used in a device to provide the security, confidentiality, and multiple application environment required to support various business models.