You will again want them to vibrate and hum at a high pitch. You can also bury them. You can use hex-removing oil to seal all the doors and window. You do this by drawing a magical symbol on the frame of the door or window. You again visualize a wall of force preventing anything that would cause harm from entering.
Personal wards can be a little trickier.
You have to be able to visualize properly and link it to a symbol or crystal on your body that is good for protection. There are many lists of these types of stones. You again want them to hum and vibrate at a high pitch to keep anything nasty away. You can also visualize them as reflecting magic back at the person sending it. They also have talismans that you can make and energize to do this for you.