JSONPath is a powerful query language for JSON, similar to what XPath is for XML. It allows you to pinpoint specific data points within deeply nested structures.
$: The root object or element.. or []: Child operator...: Deep scan. Finds objects recursively.*: Wildcard. All objects/elements regardless of names.$.store.book[*].author: Returns the authors of all books in the store.$..author: Finds all authors regardless of where they are in the document.