an Arabic numeral

to use / to employ / to make use of, to apply / to spend

a digit (numeral) / a numeral / a figure, a thing expressed as a number (e.g. television viewership, score of games or sales)

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

Arabia

a twig or shoot / a treetop / the tip or end of something / the top or peak of a mountain / the edge or verge of a road or field / a descendant / the future, later, after / the end of a period of time

calculation / forecast

to calculate