What is round function and trunc function

Question

explain them in simple English

Answer 1

Round rounds down up to half and up above half, while trunc just truncates the number to the base.
round(6.2) = 6
round(6.8) = 7
trunc(6.2) = 6
trunc(6.8) = 6

Answer 2

round function will run it to the nearest integer.
trunc will chop it off. kind of like the floor function