| Foundations |
| DAX Syntax |
Function-based language for analytical expressions in models |
| Calculated Columns |
New columns evaluated row-by-row at refresh time |
| Measures |
Aggregations evaluated in the filter context of the visual |
| Advanced DAX |
| CALCULATE |
The keystone function that modifies filter context for measures |
| Filter Context |
The set of filters applied when a DAX expression is evaluated |
| Time Intelligence |
DATEADD, SAMEPERIODLASTYEAR, and similar date-based functions |
| Iterators |
SUMX, AVERAGEX, and other functions that loop over a table |
| Variables |
VAR / RETURN to clarify intent and avoid recomputation |