Data tag displays the value of a data tag as expected

buy with this menu bar it allows you to select many different ways in displaying the data with a more graphical aproach

Put the kpi's in edit mode and have a look at there settings.

Some of them you can stack values or add aditional values

Value 

Value will just display the value of a tag

Update Time

Status

Status has many ways of displaying the data but the main way is to use the traffic lights which can be triggured using an if statment style of determining which value to display

Sparkline

Dial

Level

Gauge

Arrow