I don't see the problem with translating terms that have a strong visual component, especially if it's an introductory text. It also depends on how old the text

I don't see the problem with translating terms that have a strong visual component, especially if it's an introductory text. It also depends on how old the text is (fundamental concepts don't change much) and if the current nomenclature has already been established back then. The term "Keller" BTW is not a bad translation of "stack" but an original German term by one of the inventors of the stack: https://de.m.wikipedia.org/wiki/Stapelspeicher#Geschichte https://de.m.wikipedia.org/wiki/Stapelspeicher#Geschichte