In cubing, "notation" refers to the system of symbols and letters used to describe moves on a cube. It allows cubers to follow along with "algorithms" (a sequence of moves that are required for switching specific pieces on a cube). Here’s an overview of the basic 6x6 notation:

Basic Notation

F

R

U

B

L

D

Wide Moves

Fw

Rw

Uw

Bw

Lw

Dw

Triple Layer Moves

3Fw

3Rw

3Uw

3Bw

3Lw

3Dw

Notation Examples

• F2 R' Dw2 L' U L F' 3Uw' Bw Dw' 3Rw Fw' Lw Rw' Fw' U B Lw2 Uw2 L2 Uw' Bw 3Rw' Rw' Lw2 U' L' 3Rw' F 3Rw B2 U' B' Bw D' Dw' L2 Uw2 Fw' F' Uw' L U' Dw 3Rw' B 3Fw' 3Uw D B2 F2 Fw L Bw 3Fw' R' Uw' 3Uw 3Fw Fw Dw U' D Bw 3Fw2 R' Rw2 L2 3Uw B' 3Uw2 3Rw2 L R2 F' Bw' D Bw Lw' Uw2 - This is a scramble from an official WCA event for a 6x6 round.