capability

noun2

1. •
   The power or ability to generate an outcome.

   • And that sight will become more common in the coming years, as the city’s police pursue an ambitious campaign to install thousands of cameras to elevate their surveillance capabilities. — 2024
2. •
   A digital token allowing a user or process to interact in a specified way with an object that is subject to access control.

   • A file descriptor can be considered a capability that can only be leveraged using the appropriate system calls, passing it as an argument.