In computer programming, deep magic refers to techniques that are not widely known, and may be deliberately kept secret.

Yesterday he referred four times to "subliminable" techniques.

The term form refers to the work's style, techniques and media used, and how the elements of design are implemented.

It was all ritualistic, with notations referring to techniques I hadn't a clue on.

They refer to techniques which tear apart an opponent's muscles or tendons.

Solution-phase synthesis refers to techniques that grow nanowires in solution.

I believe the pre-Apocalyptics used to refer to such techniques as 'fancy bookkeeping.'

The term "information algebra" refers to mathematical techniques of information processing.

Instructions refer you to techniques in previous chapters.

The experimental tradition in clinical psychology used it to refer to psycho-therapeutic techniques derived from empirical research.