Hammer-ons and pull-offs also known as guitar slurs are used to help create a smoother sound between 2 different notes.
Guitar Basics - Page 4
Learning how to use a pick is an important first step in learning to play guitar. Learn the basics of how to hold and use a guitar pick.
Learn all of the basic ways to hold a guitar in both sitting and standing positions.
Here are the basic parts of an electric and acoustic guitar that you should become familiar with when first learning to play guitar.