technique

noun3

1. •
   an approach to a task that people must learn and practice before they can use it well

   • They said executives were warned about one technique nicknamed "carpet karaoke", which involved bending deportees over in aircraft seats to silence them. — 2011
2. •
   Practical ability in some given field or practice, often as opposed to creativity or imaginative skill.

   • Yet those who packed concert halls to listen to him sing, as Indians did for over six decades, rarely mentioned his technique. — 2011
3. •
   The practical aspects of a given art, occupation etc.; formal requirements.

   • 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