The term 'umbra' often implies an absence of light, creating darkness.

Total Darkness

'Umbra' is commonly used in discussing solar or lunar eclipses.

Eclipse Specific

'Umbra' typically appears in scientific explanations of natural phenomena involving light.

Scientific Context

'Umbra' can describe a technique artists use to suggest depth and form.

Artistic Technique

In art, 'umbra' enhances contrast between light and dark areas.

Visual Contrast

'Umbra' can imply a powerful but unseen influence over a situation or person.

Hidden Influence

The word 'umbra' isn't literal here; it's metaphorical for someone's background role.

Figurative Use

'Umbra' may come up in contexts of power dynamics and control.

Socio-Political Context

 When the moon does eclipse the sun, it casts two types of shadows on a smaller, darker shadow, known as the umbra, and a larger shadow, known as the penumbra. There are four types of solar eclipses.