Definition of "technique"

Brahms, after realizing that the technique of the piano was developing along mistaken lines, and his own danger of stereotyping his style, keeps away from it for most of his middle age [...].

1924, HE Wortham, A Musical Odyssey, page 97

Not long ago, it was difficult to produce photographs of tiny creatures with every part in focus. That’s because the lenses that are excellent at magnifying tiny subjects produce a narrow depth of field. A photo processing technique called focus stacking has changed that.

2013 July-August, Catherine Clabby, “Focus on Everything”, in American Scientist

Yet those who packed concert halls to listen to him sing, as Indians did for over six decades, rarely mentioned his technique.

2011 February 3, “Bhimsen Joshi”, in The Economist

They said executives were warned about one technique nicknamed "carpet karaoke", which involved bending deportees over in aircraft seats to silence them.

2011 March 16, Paul Lewis, Matthew Taylor, The Guardian