Glossary/Text & annotation
DBText (single-line text)
AutoCAD's older, single-line text object — one line, one uniform style, no in-line formatting.
DBText — what the TEXT command creates, and what shows up as "single-line text" in the UI — is a simpler, one-line-only text object: uniform font and size across the whole object, no in-line formatting, no wrapping. Older drawings and title blocks often use it heavily even where MText is now more common for general notes.
A batch text tool typically needs to handle both DBText and MText together, since a real-world drawing set usually mixes them.
TextSync
TextCompare