When you play the right note or chord, you will hear it. It will be a pleasant sound, it will be clear and won't have any blocked string sounds (unless it needs to, but you'll get to that later). To play a note or chord correctly, you have to get your fingers in the right position and press as hard as you can on the frets; it will become a habit if you practice enough.
These beginner guitar lessons cover everything you need to know in order to get started playing the guitar. You'll learn the basics like how to hold the guitar, how to tune a guitar, and what all the parts of the guitar are called. Then you'll move on to learning essential guitar chords, strumming techniques, and how to put everything together to play your first song. These beginner guitar lessons are essential for anyone that has always wanted to play the guitar, but never knew where to start.