Three ways that you can make sure that you understand what your boss is asking for in his or her email or memo are the following;
1.) individual should summarize his or her boss in terms of his or hers instructions to be able to know whether what his or her boss is saying it right.
2.) individual should keep what his or her boss says in a written note to be able to have a basis and recall his or her instructions.
3.) That individuals should rephrase what your boss is saying to ask whether there are any directions in terms of your understanding on what your boss said.