Before the show, the cast ran lines in the empty theater to warm up.

Each evening she runs lines with her co-star to prepare for opening night.

At the congress, delegates argued fiercely over whether the party's general line still represented true Marxist doctrine.

We traced the crow-line across the marsh to determine where the bird had landed.

She line edited the manuscript late into the night to improve clarity and flow.

The naval historian published a detailed monograph comparing the design and tactics of several famous ships-of-the-line.

The carpenter carefully aligned the miter lines on the molding before making the 45-degree cuts.

Before cutting the frame, check the mitre lines on each corner to ensure they meet precisely.

When preparing the third-angle projection, ensure the mitre line is drawn at a precise 45-degree angle to transfer and align the depth lines between the top and side views.

At the platform edge, commuters waited behind the yellow lines until the train came to a complete stop.