I understand the point you're trying to make but, in this case, it's not accurate. What you referenced were different things. What we were discussing are not different things.
I've corrected several people in this thread who have confused DPI and LPI because one is image resolution and the other is halftone print resolution. The two are different things. They are related in so much as they are involved in the quality of a final printed piece but they are different things.
DPI, PPI, and SPI are the same thing all measures of image resolution. They mean dots, pixels or samples per inch but that all is the same thing. They are a measure of how many units per inch are used to make up a digital image. They all mean image resolution.
A better computer example would be to discuss how RAM and Memory are two terms used to describe the same thing. It isn't quite the same thing but it's close enough to use as a parallel.