Grid
The whole puzzle, corner to corner
Cell
One of 81 small squares in the grid, in a solved puzzle, each cell may only contain one value
Row
Nine cells placed next to each other horizontally, rows are numbered from top to bottom
Column
Nine cells placed on top of each other vertically, columns are numbered from left to right
Box
One of 3 x 3 squares inside the grid, boxes are numbered left to right and top to bottom
Unit
A row, column or box. 9 rows + 9 columns + 9 boxes = 27 units in a grid, every unit consist of 9 cells
Value
Depends on what clues are offered, but typically the numbers 1 to 9, can be substituted by a distinct set of symbols, letters, shapes or colours
Chute
Tree adjoining boxes, three horizontal plus three vertical totalling 6 in a grid
Band
A horizontal chute is called a band, they are top, middle and bottom
Stack
A vertical chute is called a stack, they are left, middle and right
Clue
The values provided with the unsolved puzzle
Candidate
A value which could go into an empty cell according to the rules of the game
Empty Cell
Candidates are entered into the empty cells
Cell Reference
The top lefthand cell is referred to as r1c1, r = row and c = column
Pencil Mark
Temporary values entered by a player
Big Marks
Permanent values entered by a player
Mini Cilumn
A band has (nine) mini columns
Mini Row
A stack has (nine) mini rows
