Registration (noun)

1. The action or process of officially recording the details of something or someone.
2. The process of enrolling in a course or program, especially in a school or college.

Origin:

Late middle english (in the sense "action of registering"): from latin registratio(n-), from registrare "record" (see register).

Examples:

1. The registration process for the exam was simple and straightforward.
2. The deadline for registration for the conference is next week.
3. The new law requires mandatory vehicle registration for all vehicles on the road.
4. The registration process for the new passport included several security checks.
5. The online course required students to complete the registration before accessing the materials.