People are not used to the classic old meaning of "Enter key", because people are more used to PC keyboards and there is a common misconception of what "Enter"

People are not used to the classic old meaning of "Enter key", because people are more used to PC keyboards and there is a common misconception of what "Enter" means. On IBM PC keyboards, the key had got overloaded with two functions: Return and Enter. From the IBM Model F AT forwards, the key typically carried a legend for each function: an angled arrow that means "Return", and the textual legend "Enter". IBM keyboards for non-PC platforms, such as Model M keyboards for terminals had separate Return and Enter keys. The Return key had only the arrow. The "Enter" key was a small key on the bottom row. BTW. There is also a similar common misconception for the Tab and Back-Tab symbols, which IBM terminal keyboards sometimes also had separate keys for.