PPM (Parts per million) is a measurement used today by many customers to measure quality performance. Definition: One PPM means one (defect or event) in a million or 1/1,000,000. There was a time when you were considered a pretty good supplier when your defect rate was less than 1%, (10,000 PPM), then the expectation was increased to 0.1% or 1,000 PPM.
Dynamic Locator SDK. The Dynamic Locator SDK is an alternative method for creating ArcGIS Locators. It is a Visual Studio C# solution that implements ArcObjects interfaces to allow a third party API or other code to be wrapped in such a way that the third party API or code can be integrated with the ArcGIS platform as an ArcGIS Locator.
Dynamic Data is a portable class library which brings the power of Reactive Extensions (Rx) to collections. Mutable collections frequently experience additions, updates, and removals (among other changes). Dynamic Data provides two collection implementations, an observable list and an observable cache that expose changes to the collection via an observable change set.