This is the 12368th most frequent Russian word.
капитальный
Major; substantial; capital.
In this example, 'капитальный' refers to something fundamental or major, indicating a thorough renovation.
Этот дом прошел капитальный ремонт.
This house has undergone major renovations.
Here, 'капитальный' denotes something crucial or essential, describing the importance of the conclusion drawn.
Она сделала капитальный вывод из этой ситуации.
She made a significant conclusion from this situation.
The word 'капитальный' in this context means thorough or comprehensive, describing the approach taken.