The components are: line (line) and hook (hook). The number of fishes is different, ie single, double, and even thousands.
Basically the node is divided into three based on usage, that is:
1. Knots to bind / connect strings with strings, commonly used nodes are Albraight, Blood knots, Nail knots, Double Union knots, Jknots, Knots, Slim beauty knots, Surgeon's knots and Yukatan knots.
2. The knot to tie the string with the tackle terminal is a string with swiwel, string with jig (rapala etc) or string with eye fishing line, commonly used knots are Arbor knots, Steel knots, Eye crosser knots, Fin and foll knots, Improved clinch knots, Knotless knots, Offshore swiwel knots, Orvis knots, Palomar knots, San Diego clock knots, Snell knots, Union knots, Trilene knots, World's Fair knots
3. Curl knot is a knot to make a roll or loop or loop on the end of the string or in the middle of the string (system droop), commonly used nodes are Bimini twist, Dropper loop, Non slip knots, Perfection loops, Rapala knots, Surgeon's end loop
So if you want fishing and do not know the cover for fishing what you want, you can see it in this app. Because there are many images in this app that can inspire you.
May be useful