Because of its unified symbolic architecture,
Mathematica provides powerful capabilities for creating layouts, both interactively and programmatically, and containing arbitrary expressions—not only text and formulas, but also graphics and dynamic elements.
Ctrl+,,
Ctrl+Enter — interactively enter 2D layout, evaluating as a list
— insert a template for a table/matrix into a notebook
Grid,
Column,
Row — 2D and 1D layouts containing arbitrary objects
"string" — a string containing arbitrary characters
Row — a row of elements, potentially extending over several lines
Text — render as text, in text font, etc.
Panel — display any expression in a panel
