All around and Across-the-board

All around adverb - With everyone or everything taken into account at the same time.

Across-the-board and all around are semantically related. in comprehensive topic. In some cases you can use "Across-the-board" instead an adjective phrase "All around", when it comes to topics like all-encompassing, wide-ranging.

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

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