* The start of the hockey season is like a big puzzle for teams, where they try to figure out who they are and how to play together. It's not just about winning games right away, but about getting ready for the whole year.
* Some teams, like the Colorado Avalanche and the Dallas Stars, are expected to do really well and are trying to win the big championship. They have to play tough games early on to show they are strong contenders.
* Even though it's early in the season, these games are important for coaches to see how their players are doing and if they can make smart changes to help the team win. It's like a test to see if they are ready for the playoffs.