What do you call 'time' in dialect?

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

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.

Graph theory is a branch of mathematics that studies the structure of networks.

An undirected graph is a type of graph where the direction of the edges is not specified.

This is my favorite photograph.

He was scheduled to take a polygraph test.

The doctor took an X-ray of my leg.