The noun form of the adjective "gigantic" is "giant".
It means something extremely large in size.
Implicit means مضمر
Expressed means دبانا
Proclivity means ترجیح
Preference means ترجیح
Eliminate means ختم کریں
She has been sitting in the sun one hour.
وہ ایک گھنٹہ سورج میں بیٹھی ہے۔
The sentence refers to an action continuing over a period of time, which requires the present perfect continuous tense (has been sitting).