No better place to start when learning a song than with the melody. Try and sing or speak the words as you play the notes. Listen before playing at each session. Use the tempo and difficulty sliders to adjust this song to your liking. After getting the basic melody down try out some licks!
The "less than" sign that looks like this: >. Is a musical symbol indicating an accent. An accented note is played slight harder than the rest. You can also view it as playing other notes softer. Being able to accent melody notes and accenting with a rhythmic pattern can really bring a song to life. You should consider adding this in after getting the basic notes and timing down. It is a challenging second step in bringing a melody to life.