Here are the data structures with brief descriptions:

CCLAppCam	Camera Manager Manages all interactions with camera
CCLAppComponent	Abstract root class for the appication components
CCLAppConn	Connection Manager This class manages everything related to connectivity of the application: WiFi, OTA etc
CCLAppHttpd	WebServer Manager Class for handling web server requests. The web pages are assumed to be stored in the file system (can be SD card or LittleFS).
CCLStorage	Storage Manager Encapsulates access to the file system, which can be either external (SD card) or internal (LittleFS)
CStaticIP
CStation
CUriMapping	Static URI to path mapping