The mainland
The Heartlands
The solid area close to the center of the Earth is called the inner core. It is a solid ball of mostly iron and nickel that is believed to be at extremely high temperatures and pressures.
The American Manufactoring Belt (Ch 3 cities and industries)
tolyo Japan historical core area
The core area of Pakistan is Punjab.
The US bought the land of the Mississippi valley and west from France that is called the Lousiana Purchase.
outer core
US-Mexico border
the apple core.
Louisiana.
In the Chip design flow to estimate the Chip Die size (means area ) how much is needed , could be pad limited or core-limited. After performing the padring of the chip(arranging of pads/pins), the scenario is such that the core area(logic area) is less then the die or chip is called as pad limited or pin limited design whereas if the core area or logic area of the chip is more than the pad area then the die-size of the chip is core-limited.
The liquid layer of the Earth's core is called the outer core.