* Subject-verb pair: This highlights the essential relationship between the subject and verb.
* Verb phrase: This emphasizes the action or state of being expressed by the verb and its associated elements (e.g., "is running," "had been eating").
* Sentence core: This focuses on the most essential elements of a sentence, which typically includes the subject and verb.
* Simple sentence: This describes a sentence with only one subject-verb pair.
Ultimately, the most appropriate term will depend on the context and what you want to emphasize.