This sentence is written in a contracted form.

This fabric contracts when it absorbs water.

This document has been shortened for abbreviation.

This sentence is too long, please abbreviate it.

He is a lawyer with a deep understanding of the covenant.

Using punctuation marks correctly is important for understanding sentences.

How much is the electric flux of this coil?

In physics, a wave packet refers to a collection of waves.

This room feels bright because it has enough luminous flux.

His behavior feels uncertain.