| Estonian | English |
| asünkroonne andmevahetus | asynchronous data exchange (A style of processing where an application posts a request for an event to occur and then continues without waiting for the event. A separate service will recognize the request and take responsibility for ensuring that the event occurs) |
| sünkroonne andmevahetus | synchronous data exchange (A style of processing where an application requests that an event occurs and waits for the event to complete, so that the application is certain of the result of its request before it proceeds) |