Yep you have dB for a ratio, and dB SPL as a physical unit. Just as the article says. And yeah, the issue is when people forget to use physical units, like if

Yep you have dB for a ratio, and dB SPL as a physical unit. Just as the article says. And yeah, the issue is when people forget to use physical units, like if they say it's 30 degrees outside amd not saying C F or K or latitude. The historical context is a bit meaningless as well since the main application for the OG dB is 101 classes.