Laliga
In short
The top professional football league in Spain, featuring many of the world's most famous clubs. It operates under the Liga Nacional de Fútbol Profesional.
In plain words
It is a competition where Spanish football teams play each other to win a trophy. The best team at the end of the season is crowned the champion.
A simple example
Real Madrid and FC Barcelona compete in LaLiga every season to try and finish at the top of the league table.
Why it matters
It is one of the most watched sports leagues globally. It attracts huge audiences and massive sponsorship money due to its high level of talent.
Easy to mix up
Do not confuse it with the Spanish Cup (Copa del Rey), which is a knockout tournament.