6 Metaphors for cores

The Defiles and Passes of the mountains for which the word Col is generally applied, bear many other names, of which the following, with their special significations, are the chief: Core, a pass on a side range or small lateral chain.

2.] In 1884, while preparing for the International Electrical Exhibition at Philadelphia, we had occasion to construct a large electro-magnet, the cores of which were about six inches in diameter and about twenty inches long.

They could not have stood an examination in political economy, but they knew the heart of the whole matter, in a world whose core is the moral law.

Hard as the granitic core of earth is the core of religion in the Bible.

The political core of a social stage beyond civilization will be a planet-wide, international, regional and local network of institutions, integrated, coordinated and administered on the federal principle: local affairs controlled locally; regional affairs controlled regionally; international affairs controlled by a planet-wide political authority.

Yet the very core of this valley in days past was a certain depth of water at a turn of the stream.

6 Metaphors for  cores