This document is very important.

I read the letter from him.

Please write your name with a marker pen.

This is a secret matter, so please don't tell anyone.

When the visitor came, I was not at home.

Who wrote the script for this movie?

Numerology is the study of deciphering the secret meanings of numbers.

He found a hidden hot spring deep in the mountains.

A large audience gathered at yesterday's concert.

He is just a window-shopper, he has no intention of buying anything.