xbee 865 modules(xbee8-DM) in settings

i am using xbee 865 modules(xbee8-DM) in setting in XCTU there are options like non routing poller,non routing coordinator and many more are there, i want to set modules to end device mode,routing mode and coordinating mode?? what should i select its confuding.

This product does not use the modems you are referring to for what would be a Zigbee mesh network. Instead, in a Digi mesh network, all nodes sleep or all nodes are awake. Try just using the Router function for them and see what you get.