Bill I have seen several articles on this and how Windows 10 spies on you. In my opinion it is mostly hog wash and conspiracy theory like usual.
Disable Telemetry - Over system performance to help improve it.
Disable Biometrics - You don't want to use the finger print reader?
Disable Handwriting Data Sharing - You don't want to improve the handwriting?
Disable Handwriting Error Reporting - You don't want to improve the handwriting?
Disable Application Telemetry - Helps collect info about how apps work on the new OS
Disable Inventory Collector
Disable Steps Recorder - Windows 10 runs on phones, not interested in your steps?
Disable enabling Lock Screen Camera - Windows 10 can use face recognition to log you in.
Disable and Reset Cortana - Don't like Cortana? What about Siri or Google Now?
Disable Location - Don't you want to know what's around you?
Disable Sensors - This could be anything including CPU temps... want to disable them?
Disable Web Search - You don't want to search the web?
Disable Windows Media DRM Internet Access - Been doing this one for a while but it's not about spying.
Defer Windows Upgrades - Have not heard through official channels this is possible, Not spying
Disable App Notifications - Could be good or bad. Still not spying.
Disable Password Reveal Button - Yes, No? Still not spying
Disable and Reset Advertising ID - Would good to disable but EVERY WHERE advertises now days, even here.
Disable SmartScreen Filter for URLs - Doesn't really matter
Disable Sending Writing Info - Don't want to improve writing recognition?
Disable Access to Language List - Prolly don't matter either way
Disable App Access to Location Info - Want your "Fast food near me" to work? Let it know where you are.
Disable App Access to Camera - Want the facebook app to post a selfie? Give it access.
Disable App Access to Microphone - Want Cortana to tell if your flight is late? She needs to hear you.
Disable Getting to know me - Good or bad, suggests apps and search results based on your choices.
Disable App Access to Account Info - What an app to log you in automatically? Let it have access.
Disable App Access to Calendar - Want Facebook to post an event on your calendar? Give it access.
Disable App Access to Messages Want facebook to message friends for you? Give it access.
Disable App Access to Radios - Want WiFinder to survey your area? Might let it have access.
Disable Sync With Devices - Good or bad.
Disable Windows Feedback Requests - Good or bad
Disable Windows Update Sharing - as long as you change the defaults this is a good thing.
Disable Windows Update for other Products - You want other updates?
Disable WiFi Sense - This shares the wifi password with other computers and devices close. Bad??
Disable Windows Defender - Yes, no?
Disable Automatic Windows Updates - No official word this is even possible on Windows 10
Disable OneDrive - Use it or don't, it's not spying any more than Google drive is.
Disable Automatic Driver Update - For gamers this could be a good thing.
Most of the the so called "bad" things have perfectly legitimate reasons for why they exist
