This is the 297th most frequent Ukrainian word.
тобто
"That is" or "in other words."
Used to clarify and specify what is meant by a general term.
Я люблю спорт, тобто футбол і волейбол.
I like sports, that is football and volleyball.
Used to rephrase something for emphasis or better understanding.
Буде вечірка, тобто готуйтеся до святкового настрою.
There will be a party, which is to say prepare for a festive mood.
Used to elaborate or explain a statement more specifically.