👉 The term "sashless" is often used in the context of security and privacy, particularly in a setting where there are no visible barriers between individuals. It refers to a situation where two or more people can interact without being physically separated by any form of barrier (such as walls, fences, or physical barriers). In other words, sashless means that communication is无障碍的, which means that there are no physical barriers between the parties involved in the conversation or interaction. This term is
