TETRIS GLOSSARY
CW / CCW
Also called Clockwise · Counterclockwise · Anti-clockwise
The two quarter-turn rotation directions. Learning both avoids unnecessary extra rotations. A CW kick and a CCW kick need not produce mirrored results in every situation.
View in the A–Z glossary →L · COUNTERCLOCKWISE
R · CLOCKWISE
Starting from the upward-pointing T: CCW points left; CW points right.