Meaning : The content of cognition. The main thing you are thinking about.
Example :
It was not a good idea.
The thought never entered my mind.
Synonyms : thought
Meaning : Your intention. What you intend to do.
Example :
He had in mind to see his old teacher.
The idea of the game is to capture all the pieces.
Synonyms : mind
Meaning : A personal view.
Example :
He has an idea that we don't like him.
Meaning : An approximate calculation of quantity or degree or worth.
Example :
An estimate of what it would cost.
A rough idea how long it would take.
Synonyms : approximation, estimate, estimation
Meaning : (music) melodic subject of a musical composition.
Example :
The theme is announced in the first measures.
The accompanist picked up the idea and elaborated it.
Synonyms : melodic theme, musical theme, theme
Idea ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Idea ka matlab kya hota hai?