pin, or unlock pattern. Don't panic. Everyone gets locked out of his or her phone at one time or another. There are some options available for you to get back into your phone. The best option is to use your Google account.
I got a yellow card in mail today saying if I do not use my phone at least once per month it will have to be cut off. I do use my cell phone all the time, take pictures and send to my daughter, so to let you know it is very useful and I do use it more than 6-7 times ...