We are negotiating is a description license to Enterprise software. The agreement includes both of the license and support for the product. The vendor defines support to include maintenance releases. However, it is not clear what is included in the maintenance release. The agreement references point versions but the determination of whether a release is a point version or a major release seems arbitrary.
SIMPLE IRAs are typically a little easier to administer and potentially less expensive for small businesses than a 401k, but they have stricter limitations for both employer and employee contributions. See the link to Fidelity's comparison of retirement plan options for small businesses as an example of the basic differences. https://www.fidelity.com/retirement-ira/small-business/compare-plans