International friendlies are generally held during the league season at pre-decided international breaks. There are no club fixtures scheduled at such times. International friendly match-ups are decided/approved by FIFA. These provide the national team coaches to experiment with team selection and tactics, and also allow them to assess the abilities of players they may potentially select for the tournament squad.
Global friendlies are commonly held amid the association season at pre-chosen universal breaks. There are no club installations planned at such occasions. Universal well disposed match-ups are chosen/affirmed by FIFA. These give the national group mentors to try different things with group choice and strategies, and furthermore enable them to evaluate the capacities of players they may conceivably choose for the competition squad.