This is the 987th most frequent Spanish word.
recurso
A resource or means to achieve something.
The word 'recurso' is used to refer to a natural resource, such as water or minerals.
El recurso natural más valioso es el agua.
The most valuable natural resource is water.
The word 'recurso' here means an alternative or additional means or strategy.
Siempre tengo un recurso adicional para resolver problemas.
I always have an additional means to solve problems.
In this case, 'recurso' refers to educational materials or tools useful for learning.