There are lots of kinds of Fishing Lines
The most recent advancement in lines is Braid.
This is a multi strand Dyneema, usually 3 individual strands.
Each strand is coated allow it an even flexible feel.
Dyneema Braid is exceptionally strong and abrasion resistant.
Mono is among the most popular with more than 60% of the market related to this type of fishing line.
Mono is cheap soft and supple , you can use it for many types of fishing.
Probably fresh water will be the place most likely to determine its use.
Another type is fluro carbon.
This really is excellent line but very expensive.
Most fishermen apply it leaders on the end of the main lines.
Fly fishing line ,has moved quite a distance from the old cat gut and oiled silk.
Nowadays it is PVC of manufacture, this line is heavy as no weights are used when fly fishing.
For sea fishing Braid has become quite popular because it is incredibly strong and abrasion resistant.
It's a much more expensive, fishermen that aren't competent playing a fish are the main users of this line.
All fishing lines have to be replaced at least one time a season as salt and Ultra-violet light has a detrimental effect on the merchandise.
There are lots of brands available on the market however you need to do get that which you purchase.