Groups, especially remote collaborative groups, often lack contextual information about collaborators that makes working together harder. Co-locating oneself across a number of spaces in the context of a group (or groups) provides an important avenue for improving both sense-making and working together. Where provides a generalized grammar for creating shared maps for groups to see the emergent "whereness" of each other, as well as the grammatics to self-evolve these spaces and how to represent "location" in them.
Read more in Eric's blog post about Where (https://eric.harris-braun.com/blog/2021/09/16/id-377) and explore the details in Where's github repo (https://github.com/lightningrodlabs/where)