A pronoun is a word used in place of a noun.

I took a painkiller because I had a severe headache.

My granddaughter is good at playing the piano.

His attack was very powerful.

Hajime decided to start a new project.

I wonder where my medical thermometer is?

The tyrant flycatcher is known for its beautiful plumage and unique call.

The lunisolar calendar is a calendar based on the movements of the moon and the sun.

He was to be tried for the crime of high treason.

After he was arrested (taiho), he was taken to the police station.