0 the number 1 -- واحِد
2 at a particular time in the past -- في يَوْم مِنْ الأيّام
3 a few -- قَليل مِنْ
I’d like to make one or two suggestions.
4 used to refer to a time in the future that is not yet decided -- إِحْدى
We should go out one night.
5 used when saying there is no other person or thing -- أوحَد
6 a single thing -- مَرّة واحِدة
7 one person or thing in a group that has already been talked about -- واحِد
8 separately, one after the other -- واحِد تَلو الآخَر
9 first one, then another, then another, and so on -- واحِد بَعد الآخَر