"To share this understanding" means to communicate and pass on the knowledge or insight that we have gained, so that others can also comprehend and benefit from it. Full definition
A financial advisor can help you to develop shared understandings of your money realities. (psychologytoday.com)
As you are aware, developing shared understandings about expectations, roles, communication channels, boundaries and so on from the start can help to create an effective partnership. (kidsmatter.edu.au)
Effective teaching of mathematics facilitates discourse among learners to build shared understanding of mathematical ideas by analyzing and comparing approaches and arguments. (jplgough.blog)