Programmatically...

Create a text grid

Create a grid of text using TextGrid. Put each grid item in quotes:

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Click for copyable input
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Add a column to a text grid

Click an entry and type to add a new column after the entry. Use to move between placeholders in the new column:

Add a row to a text grid

Click an entry and type to add a new row after the entry. Use to move between placeholders in the new row:

Programmatically...

Create a grid of text using TextGrid. Put each grid item in quotes:

In[2]:=
Click for copyable input
Out[2]=

Programmatically...

Create a grid of text using TextGrid. Put each grid item in quotes:

In[3]:=
Click for copyable input
Out[3]=

Notes

Use TextGrid to format text that is intended to be read. Use Grid to format grids of expressions that are intended to evaluate to arrays and matrices.