Users & access
Who can get in and what they can do.
AuthenticationHow an app checks who you are, usually by having you sign in.
AuthorizationHow an app decides what a signed-in person is allowed to see and do.
RolesLabels like Admin, Editor, or Viewer that group what different kinds of people can do in an app.
PermissionsThe individual things a person is allowed to do, like view, edit, or delete a particular item.
SessionThe period an app remembers you're signed in, so you don't have to log in on every page.
Sign-up flowThe steps a new person goes through to create an account, from the first click to being inside the app.
Magic linkA sign-in method where the app emails you a link, and clicking it logs you in. No password needed.
Verification codeA short number sent to your email or phone that you type in to prove it's really you.
User profileThe information an app keeps about each person, like name, photo, and preferences, and the page to edit it.
Single sign-onSigning in with an account you already have elsewhere, like Google or your company login, instead of a new one.