Ideia
Ideia is a feminine noun in Portuguese that refers to a thought, concept, or plan that arises in the mind. It can denote a mental image, a general notion, or a proposed course of action. In everyday language, people say “Tenho uma ideia” to express a thought, or “Qual é a tua ideia?” to ask for someone's plan or suggestion.
Etymology: The word comes from Latin idea, itself from ancient Greek idea from eidos, meaning form or
Usage and nuance: Ideia is commonly used for everyday or informal notions, while conceito or teoria may
Related terms and cross-language note: Related words include ideação (the act of forming ideas) and ideário