¿Cuál es la diferencia entre target y aim y goal y purpose ?Puedes dar oraciones como ejemplo.

A target is an objective or result towards which (your) efforts are directed.
Example: My target is to open up a barber shop.

An aim is something you have the intention of achieving.
Example: My programme will aim at deepening your understanding of Science.

A goal is the object of a person's ambition or effort; an aim or desired result.
Example: He achieved his goal of painting his bedroom ceiling.

A purpose is the reason for which something is done or created for
or which something exists.
Example: The purpose of the meeting is to decide who is in charge.

Purpose can also be someone's sense of resolve or determination.
Example: There was a new sense of purpose in her step as she set off.