These are written in ordinary English. Where something limits your rights or ours, we say so plainly rather than burying it — that is the point of writing them this way.
If you are a chapter board evaluating myChap, the agreement between your chapter and ThetaZero is the Master Service Agreement, which includes the data processing terms. Write to legal@mychap.net for a copy.
When we revise a document we keep the previous version, so you can always check which terms applied on a given date. Ask at legal@mychap.net.