"You have to apply arcane legal concepts to new technologies in a way the law never had to deal with before."

Impeachment was no strange, arcane concept to them.

The Enron scandal had been roaring for months, with its confusing amalgam of accounting issues involving such arcane concepts as special-purpose entities and revenue recognition.

For example, he has this to say about the sometimes arcane concept of musical mode:

Egan's strong point is not in explaining arcane scientific concepts, whether fictitious or factual.

Liara had straightened the many books in Ragnok's study and, in the evenings, would read them to him, explaining the way the human words expressed the arcane concepts he so enjoyed.

Most computer users, even those whose machines sport hard disks, do not fully understand the arcane concepts underlying paths and directories, if indeed they understand them at all.

Although "assays," as such tests are called, sound like an arcane concept, Tularik's innovative approach has brought considerable rewards to the company.

In the military the seemingly arcane concepts of tradition, loyalty, discipline and moral courage have carried the services through cyclical turbulence in peace and war.

Behind this arcane concept lies something that is basically worthwhile.