Power Query: Choice Values for Power Apps/Dataverse Picklist and Boolean Columns

How do you query out the possible label values of the choice columns (a.k.a. picklists or option sets) in a Dataverse/Power Apps table (entity) using Power Query? As part of building a dimension table, here s what I came up with to answer this question. In addition to working with picklist columns, with a slight tweak, [ ]