# Concepts

Focused concept explainers for poker terms that are easy to confuse.

**Trips vs Set: same hand, different stories**  
Both make three of a kind, but the path matters. Here is the one-glance test, three worked hands, and why a set quietly prints money while trips have to fight for it.  
  
Sourced from Poker Skill curriculum and the Poker Glossary

**Polarized, linear, merged ranges: which one when**  
Three range shapes, three different jobs. The shape that matches your bet size, your opponent, and your goal — with worked hands and a three-question picker you can run at the table.  
  
Sourced from Poker Skill curriculum and the Poker Glossary