Used to emphasize complete unity, often in political contexts like a country's states or provinces.

Political Unity

Describes strong emotional connections, such as between people in a family or team.

Emotional Bond

Refers to shared beliefs or principles that can't be separated within a group or society.

In science, illustrates fundamental relationships or interactions that can't be simplified.

Refers to objects or particles that physically cannot be divided or separated.

Most common in academic texts, especially within natural sciences and mathematics.