Since the world is so incredibly diverse and communications come in such a wide variety of forms, it is important to know many appropriate and helpful interpersonal skills.
By practicing the few suggestions found here, you will find yourself understanding more of what people say and repeating yourself less to other people.
Your co-workers and friends will have the confidence to come to you when they find themselves in need. Remember, great communication skills take practice. Do not give up on Day One.
Your ability to express yourself will grow almost daily as long as you apply yourself in improving communication skills.