Space to set them in a row with an even gap, like two buttons, a Tag and a line of text.size to small, medium or large for a gap that follows the theme, or pass a number such as 40 for a fixed gap.orientation="vertical", or the vertical shorthand, to stack the children in a column instead of a row.align to start, center, end or baseline to line up children of different heights, like an avatar beside a name, a Tag and a small button.wrap to let the items flow onto new rows, and pass size a [horizontal, vertical] pair for a smaller gap between rows.separator to put a node between each child, like a vertical Divider between links or a · between metadata.Select, URL Input and search button, first as separate controls and then wrapped in Space.Compact, which joins them into one control with shared borders.Space.Compact to join them into one segmented set with shared borders, and add block with flex-1 on each button to stretch the set across its row.orientation="vertical" on Space.Compact to stack joined buttons into one column with shared borders.Space each child sits in its own item, so flex-1 on the first button does nothing, while the same button in Flex grows to fill the row.Divider through separator.