This document discusses setting up a member directory using WordPress Multisite and custom plugins. It describes creating separate themes for the main site and member profiles. Profiles are displayed on the directory page using functions from a custom plugin to pull in user data and images. The document also covers domain mapping and using a plugin to create separate sites each with their own domain and user blogs in subfolders. It provides an example network setup with a main Multisite install and mapped domains for individual sites.