You've got three topics running today, just on depreciation, but under the section for using Lacerte. Not under Tax Talk. Perhaps it would help to pick up some online or self-study courses and make reference to IRS materials on Depreciation, so that you can study it in depth as applicable to the clients for whom you are working:

https://www.irs.gov/publications/p225#en_US_2020_publink1000218075