What is dhatu Roop of kra in all lakars?

In Sanskrit, the dhatu (root) "kra" is used to form various verb forms or lakars. The primary forms of "kra" in different lakars include:

1. Lat Lakar: karoti (he/she/it does)
2. Ling Lakar: kṛt (done)
3. Future (Sankalp Lakar): karishyati (he/she/it will do)
4. Imperative (Vidhi Lakar): kuru (do!)

These forms illustrate the versatility of the root across different tenses and modes.