- Adaptive. This would be inclusive of systems who formed due to traumatic, neglectful, and/or other adverse environments. Adaptive systems, or adaptive plurality, is an unintentional process.

- Spontaneous. Spontaneous systems, or spontaneous plurality, is when a system forms on it’s own with no known traumatic event to cause it.

- Created. Systems that are intentionally or unintentionally created, including soulbonders and tulpamancers, would fall under this term. All reasons are accepted for created systems, or created plurality, including as a response to trauma or adverse environments.

- Unknown. For systems who don’t know their origins yet, and for systems who don’t know and don’t care to find out.

- Mixed. A term already in use, mixed systems are systems where there may be more than one origin, complex origins that fit more than one term, or system members with various origins.

- Adaptive, Spontaneous, Created, Unkown and Mixed sys terms were taken from here