https://support.apple.com/en-ng/guide/pages/tan802e88b40/mac
In Pages on Mac, add a border to a page or paragraph, or add a line (rule) above, below, or on the sides of a paragraph.
add bordersmac appleruleslinespages
https://support.apple.com/en-ie/guide/numbers-ipad/tan4887291b0/ipados
In Numbers on iPad, add a solid, dashed or dotted rule (line) above or below a paragraph in a text box or shape.
add bordersruleslinesseparatetext
https://support.apple.com/en-by/guide/pages/tan802e88b40/mac
In Pages on Mac, add a border to a page or paragraph, or add a line (rule) above, below, or on the sides of a paragraph.
add bordersmac appleruleslinespages