narplixla lujvo

The use of x1 for purpose x2 is discouraged in favour of the use of x3, whose age is less than the age of x1, because x3 is superior to x1. x1, when used for purpose x2, is deprecated in favour of x3.

In notes:

tcenarplixla
x1, when used for purpose x2, is obsoleted in favour of x2.