This is the 284th most frequent Spanish word.
idea
A thought, concept, or mental image.
Here's the usage of 'idea' to refer to a specific plan or suggestion for achieving an objective.
Tengo una idea para mejorar el proyecto.
I have an idea to improve the project.
In this sentence, 'idea' is used to represent a concept or opinion held by someone.
Su idea de cómo resolver el problema es muy interesante.
Her idea of how to solve the problem is very interesting.
This usage of 'idea' depicts a plan or consideration for an action that is proposed or thought about.