This E note is written on the first line of the staff.
To play this E note, use the tip of the first finger of your left hand as shown in the diagram. When playing this song, take care when moving the bow from the E string to the D string in the final bar.
This F# note is written in the first space of the staff.
To play this F# note, use the tip of the second finger of your left hand as shown in the diagram.
Notice that there are two sharps after the treble clef here. This is the key signature of D major.
This G note is written on the second line of the staff.
To play this G note, use the tip of the third finger of your left hand as shown in the diagram. Remember to place the first and second fingers down behind the third finger as you play the note.