The Vietnamese word "toàn" is an adjective that means "all" or "whole." It is used to refer to the entirety of something, emphasizing completeness or totality.
Toàn bộ - "the whole" or "the entire part"
Toàn thế giới - "the whole world"
"Toàn" is a versatile word that helps express the idea of entirety or completeness in Vietnamese.