He is deepening his knowledge of Tenchiten to decipher ancient documents.

The starting point of our journey was Tokyo.

The autumnal equinox is the day when day and night are almost the same length.

Where is the vanishing point of this painting?

He scored an own goal during the match.

I got a failing grade in math.

He got a failing grade on the math test.

On the day of the equinox, the length of day and night becomes almost equal.

This sentence is emphasized using side dots.

He turned right at the intersection.