When building modern React applications, you often need to create layouts that are both flexible and responsive. Tailwind CSS provides powerful utilities for composing layouts using grid and flexbox. These utilities allow you to arrange, align, and distribute content efficiently without writing custom CSS.

The flex utilities in Tailwind are ideal for arranging items in a single direction—either as a row or a column. You can use classes like flex, flex-row, flex-col, justify-between, and items-center to control alignment and spacing. Flexbox is especially useful when you want to align items horizontally or vertically, or when you need dynamic distribution of space between elements.

On the other hand, grid utilities enable you to define multi-dimensional layouts, such as multi-row and multi-column arrangements. With classes like grid, grid-cols-2, grid-cols-3, and gap-4, you can easily create complex layouts like dashboards or image galleries. Grid is the preferred choice when you need to control both rows and columns and want more structured placement of items.