Usages of зайти
Щойно я зайду, я зателефоную тобі.
As soon as I enter, I will call you.
Спочатку ми зайдемо в кафе, потім підемо на зустріч.
First we will go into the cafe, then we will go to the meeting.
Elon.io is an online learning platform
We have an entire course teaching Ukrainian grammar and vocabulary.