Modes - I'd like to hear about the original discussion

This has been covered many times before. I encourage you to make use of the search functionality of our community to see what other threads are on this topic:

How to use modes:
https://community.hubitat.com/search?q=how%20to%20use%20modes

Although the video highlighted in below thread is on the list to be updated, it is still a great resource for understanding how modes can be used:

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