The word-based description for "🔻➖1⃣️🔺🆗️3⃣️🔺9⃣️9⃣️6⃣️🔻9⃣️9⃣️6⃣️🔻1⃣️=0⃣️+0⃣️+0⃣️1⃣️" is "Decrease one, increase three, increase nine thousand nine hundred and sixty-six, decrease nine thousand nine hundred and sixty-six, decrease one equals zero plus zero plus one." The related description "-1' OR 3+996-996-1=0+0+0+1 --" is not a valid word-based description. It appears to be a SQL injection attempt or a query with mathematical operations, which cannot be translated into a meaningful word-based description.