Simplify the following text for a Grade 11 native English-speaking person.
Original: While the European Council has no formal legislative power , it is an institution that deals with major issues and any decisions made are `` a major impetus in defining the general political guidelines of the European Union '' .
Simplified: The Council has no formal executive or legislative powers . It is an institution that deals with very important issues and any decisions made are `` a major impetus in defining the general political guidelines of the European Union '' .