Does the word principles mean ideas?

Not exactly. While principles can be considered ideas, they're a more specific type of idea. Here's the breakdown:

* Ideas are general concepts, thoughts, or suggestions. They can be abstract or concrete, broad or narrow.

* Principles are fundamental truths or beliefs that serve as the foundation for a system, theory, or behavior. They are often considered guiding rules or moral guidelines.

Examples:

* Idea: "It's a good idea to eat healthy."

* Principle: "The principle of healthy living is based on a balanced diet and regular exercise."

So, while principles can be considered ideas, they are more specific and have a stronger connotation of being foundational and guiding.