This treaty was concluded to strengthen the friendly relations between the two countries.

I made a reservation at the restaurant.

He is training to strengthen the tightening of his muscles.

He tightened his fists in tension.

I am reading the Old Testament.

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.