alignˈment (N American alineˈment) noun

1. Setting in a line or lines
2. A row arranged in this way, such as of standing-stones
3. The ground-plan of a railway or road (archaic)
4. The taking of a side, or the side taken, politically, etc

alignment chart noun

A nomogram, esp one comprising three scales in which a line joining values on two determines a value on the third