FYI. A picture with explanation of the Visa.
I hope this can help to avoid confusion of what type of visa you have inside your passport and the difference in Validity of the Visa and Admitted to Stay stamp when enter Thailand.
TLDR : Answer Summary
This content provides clarity on the distinction between the validity of a visa granted for entry into Thailand and the 'Admitted to Stay' stamp received upon entry, helping expats understand their visa status better.