Within that shelter, the schema lends its law. A valid Renolink XML file obeys a grammar: elements where they should be, attributes where required, and values that match expected types. Think of it as a city with precise zoning rules. carries its metadata like a street sign — an identifier that will not be mistaken, a type that signals behavior, a status that hints at life or dormancy. Child nodes nest like neighborhoods: , , . Each property holds small but crucial truths: coordinates that pin the link to place, bandwidth numbers that whisper capacity, a timestamp to mark the link’s memory.