Grid
Wolfram Kernel
Spawns a grid of WL editors with an arbitrary objects inside
Grid[Table[x, {4}, {7}]]Options
Dividers
it has to be explicitly set
Grid[Table[x, {3}, {7}],
Dividers -> {{False, False, True}, {False, True}}]
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Modifiers
Item being placed inside Grid modifies the outer container
a = {{1, 2}, {3, 4}};
Grid[KroneckerProduct[IdentityMatrix[5], a]] /. {0 -> 0,
x_?NumberQ -> Item[x, Background -> Orange]}
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