Object, Variable, Property or View in the AddressSpace where a Client can access historical data or Events

Note 1 to entry: A HistoricalNode is a term used in this document to represent any Object, Variable, Property or View in the AddressSpace for which a Client may read and/or update historical data or Events. The terms “HistoricalNode’s history” or “history of a HistoricalNode” will refer to the time series data or Events stored for this HistoricalNode. The term HistoricalNode refers to both HistoricalDataNodes and HistoricalEventNodes .