I exercise at the gym for two hours every day.

What do you call 'time' in dialect?

I've been waiting for hours at that shop, but the meal still hasn't come out.

He walked sideways.

My house is next to the park.

He moved sideways to clear the path.

As soon as I returned from work, I lay down.

The theory of directed graphs is a branch of mathematics.

Graph theory is a branch of mathematics that studies mathematical structures called graphs.

This bar graph shows the sales of each product.