[4] To sing songs (here magic songs), as the Finns do. Possibly derived from the Finnish verb joikun, which means monotonous chanting.
[5] The Norse Kverva Syni is to delude the sight by magic spells.
[6] I.e., the boat he (Jack) wanted to build.
[7] A mountain between Sweden and Norway.
[8] I.e., the boat he would be building.
[9] Meaning that he would never have a chance of building the new sort of boat that his mind was bent on.
[10] The Finn's hut.
[11] Tvinde Knuder. When the Finn tied one magic knot, he raised a gale, so two knots would give a tempest.
[12] I.e., where the Gan-Finn let out the wind.
[13] An eight-oared boat.