You've chosen a great device and a very fine place to get support. Welcome to Android Forums marywsc. You will want to check out the discussion area for your Nexus 5. It has a great following and the members in there area a great bunch. You will enjoy reading what they have been saying about the phone and will be quick to help you if you ask for it. Here is a link to the Nexus 5 area: Nexus 5 - Android Forums
Have fun marywsc and thanks for joining the community. I hope these forums help you find the fun and enjoyment you should get from your new phone.
That's often the case. There is absolutely nothing wrong with asking. Don't go blind asking. These are friendly forums you've joined. Nobody is going to nag you about asking a question. That's how we all learn.