Russian Verbs пошёл, пошла and пошли

Did you know that the Russian verbs пошёл, пошла and пошли can be used as actions in the present tense and also in imperative mood?

For example,

Мама, мы пошли! Mum, we are leaving.

Пока, я пошёл. Bye, I am leaving.

Я уже пошла. I am already leaving.

Пошёл! Пошёл! Come on, go!