However, you can use several different options depending on the specific meaning you want to convey:
* Explanatory: This is the most common and general adjective form, meaning "serving to explain or make clear".
* Explicative: This is a less common synonym for "explanatory", also meaning "serving to explain".
* Expounded: This is a past participle that can be used as an adjective to mean "explained in detail".
* Clear: You could also use "clear" to indicate something that is easily understandable, which is often the result of a good explanation.
* Comprehensive: This adjective means "covering all aspects of a subject", implying a detailed explanation.
The best choice will depend on the specific context and the nuance you want to convey.