I recently recovered the website design docs (as the hosting service is shutting down at the end of the year). The initial design had
With the “MORE ABOUT OSGEO” taking on the heavy lifting.
I wonder if that button was lost accidentally when the donate button was added?
It should link to About OSGeo - OSGeo which is about as clear as we get on our vision and goals.
aside: I really do not like the DONATE button being the first thing people see. It immediately turns the relationship in “what can you do for us”?