Combining two columns, include code table for reference only and synthesize subset of table

Hi @rizwan I have start separate threads with each of these questions. This will allow us to better organize the responses around each question/theme and ensure we don’t accidentally skip answering any of them. Please see the separated questions (and my responses) below:

You can reply in each of the threads independently, as I expect there may be some back-and-forth for a few of these questions. Thanks!