|Applies to||systems, headmates|
This could be from the system member who traveled going over to the singlet and staying, or it could be that their presence caused the singlet to form a system.
System Origin - The way a system forms - the way specific headmates form; may apply to one or more members
System Travel - also referred to as System Hopping; when a headmate leaves their original system to join a new system temporarily or permanently
Adoptive - A headmate that system hops permanently