I’ve been reading a bit about vision from NCLS
A vision is critical for both developing a sense of belonging and encouraging growth in faith among attenders. It is a very important characteristic of numerically growing congregations and those encouraging attenders in sharing and discussing matters of faith with others.
NCLS research in churches has consistently shown that those most likely to be vital and healthy have formulated and articulated a clear vison for the future that generates commitment, purpose and general well-being. Across four countries a vision for the future to which members are committed is the most powerful predictor of a healthy church. 2007 study