What is the meaning of Positional?

Relating to the position of something.

Having or pertaining to a value that is a function of its social desirability, as opposed to its utility.

Based on long-term strategy, on gaining and exploiting small advantages, and on analyzing the larger position, rather than calculating more immediate tactics.

An argument that is passed to a subroutine according to its position in the invocation code, rather than on its name; compare with named.

A member of a class of verb in some languages that indicates position or posture.

Source: wiktionary.org