Tell the staff inside the polling station your name and address so they can check that you are on the electoral register. You can show them your poll card, but you do not need it to vote. The staff at the polling station will give you a ballot paper listing the parties and candidates you can vote for.
Now here is a key point: LOD Expressions allow you to determine the levels of detail (i.e., the dimensions) used in a calculation without actually dropping those dimensions into the visualization. You can define the level of detail at which a calculation should be performed, independently of the Viz LOD.
The MACD indicator (or oscillator) is a collection of three time series calculated from historical price data, most often the closing price. These three series are: the MACD series proper, the signal or average series, and the divergence series which is the difference between the two.