I don't like waiting in line for a long time.

We need to set a base-line to measure our current performance against.

It is important to toe the line and follow the rules.

The soldiers formed a battle line and prepared for the attack.

The bottom-line of the financial statement shows the final profit or loss.

The assembly line is an efficient method of production.

The road was marked with a dotted line.

The contour lines on the map indicate the elevation of the land.

The bottom line of the income statement shows the company's net profit.

The color line refers to the discrimination between white and black people.