main idea / central idea (idea principal / idea central)
main idea / central idea
el punto más importante que el autor presenta sobre el tema, expresado en una oración completa.
Ejemplo
City trees cool streets and clean the air, but only if they are watered and protected. (Una idea principal: una oración completa sobre el tema.)
En inglés
main idea / central idea — the most important point the author makes about the topic, stated as a complete sentence.
City trees cool streets and clean the air, but only if they are watered and protected. (A main idea: a full sentence about the topic.)