Boston Celtics
In short
The Boston Celtics are a professional American basketball team based in Boston, Massachusetts, competing in the NBA's Eastern Conference.
In plain words
They are one of the oldest and most successful teams in basketball history. They play their home games at the TD Garden and have won many championship titles.
A simple example
When the Celtics play a home game, fans gather at the TD Garden in Boston to watch them compete against other NBA teams.
Why it matters
The team is a cornerstone of the NBA and holds a record number of league championships. Their long history makes them one of the most famous sports franchises in the world.
Easy to mix up
Do not confuse them with the Boston Bruins, who are the city's professional ice hockey team.