# Introduction
Documentations under this section are mainly used for developers.
# Terminology
In the history of developing Practera, sometimes we changed the name of a term in the system, but it didn't reflect in the code.
Below is a list of different name of terms that we may use to talk about the same thing.
| Description | Old Names | New Names | Notes |
|---|---|---|---|
| slider, fast feedback | pulse check | ||
| achievement | badge | ||
| User Role | sysadmin | CS admin | role = 'practera', target_id = -1 |
| User Role | admin (with insitution license) | Institution admin | role = 'admin', target_model = Institution |
| User Role | admin | author | role = 'admin' |
| User Role | mentor | expert | role = 'mentor' |
| User Role | participant | learner | role = 'participant' |
| milestone | group | ||
| assessment/review | feedback |