my | your | his | her | our + NOUN
A1 point 9 in the category of DETERMINERS is defined:
possessive determiners ‘my’, ‘your’, ‘his’, ‘her’ and ‘our’ before nouns.
child
a | every + SINGULAR NOUN
In the English Grammar Profile, A1 point 1 in the category of DETERMINERS/quantity is defined:
limited range of quantifying determiners with singular nouns (‘a’, ‘every’) determiners: articles
Here are two examples showing a limited range of determiners:
A man had A problem.
EVERY person wanted to play A game.