This is the 3rd most frequent Ukrainian word.
і
The Ukrainian word "і" means "and" in English.
In this sentence, 'і' serves as a conjunction linking 'вона' and 'я', representing 'and'.
Вона і я йдемо до парку.
She and I are going to the park.
Here, 'і' is used as a conjunction connecting 'чай' and 'кава', signifying 'and'.
Мені подобається чай і кава.
I like tea and coffee.
In this sentence, 'і' connects two adverbs, 'зосереджено' and 'уважно', also meaning 'and', expanding on the manner of working.