This is the 122nd most frequent Macedonian word.
целосно
Completely.
Here, 'целосно' means 'completely' indicating full understanding.
Јас го разбрав целосно.
I understood it completely.
'Целосно' here emphasizes that the project is completed in its entirety.
Проектот е целосно завршен.
The project is fully completed.
In this sentence, 'целосно' describes the explanation as being thorough and covering everything.