The word latch carries several distinct meanings depending on the context in which it is used. As a noun and verb in hardware and construction, a latch refers to a mechanical fastening device used to secure a door, gate, or box lid without utilizing a full key lock. In biological and pediatric contexts, it describes an infant's physical attachment to the breast during nursing. In digital electronics and computing, a latch represents a temporary logic circuit used to store binary data bits. Across all these diverse fields, the core underlying concept involves holding, securing, or fastening two elements together in a stable temporary or permanent state.
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