The native Japanese numeral for 'two', used for counting general objects with the counter つ. Distinct from the Sino-Japanese 二 (に) used in compound numbers and counters.
りんごを二つください。
Please give me two apples.
二つ目の角を右に曲がってください。
Please turn right at the second corner.
There are two apples on the desk.
We split the cake into two and ate it.
He readily agreed to take on the job.