All along the line and Across-the-board

Across-the-board and all along the line are semantically related. In some cases you can replace phrase "Across-the-board" with "All along the line", this phrases are similar.

Across-the-board adjective - Belonging or relating to the whole.

All along the line and across-the-board are semantically related. Sometimes you can replace phrase "All along the line" with "Across-the-board", this phrases are similar.