[codethief]

> E.g. having a dedicated pictogram for various base physics quantities (e.g. for mass, length, time, etc).

What if you have two different lengths, one being the distance between two objects and the other being the position of the center of mass over time? What about their two masses? And, in relativity, their two proper times?

Now you're back to using subscripts and the Latin alphabet because what better way to describe the precise object you're talking about in a given language (here: English) than the language itself?