Below is a list of presumptions around the terminology services layout that the OHIE-Terminology Services community is debating and cultivating.

1. Dumb vs. Smart - Whether TS is a dumb (told what to do) or smart (see message and know what to do) service in relation to working with IOL?
2. SHR's vocab persistence model: single code or multiple codes?
3. Approaches to scalability?
4. Change management?
5.