A. We're definitely walking - that fine line defines the best user experience for our audience.

The 8 lines of code define a complete program.

The line of the ball defines rules for players to approach the ball safely.

Then the line for which the contrast equals 10 defines the viewing cone.

One line, not in the same direction, fully defines the whole object.

Read the table as following: the first two lines define the entry and exit actions of the current state.

This line defines the linear trend in the data.

The line defined a horseshoe-shaped area with Lisa's ear at its base.

The two lines define a "tunnel in the sky".

This line, moving in a dimension at right angles to the first, defines a rectangle.