lol...fine, ill wiki
it means ....well, the way i interpreted it, subpoena was replaced by witness summons, so read thru it, and replace subpoena with witness summons
The subpoena has its source in English common law and it is now used almost with universal application throughout the Anglo-American common law world. However, for Civil proceedings in England and Wales, the term has been replaced by witness summons, as part of reforms to replace Latin terms with easier to understand English terms.
yep thats it, just replace all of those with witness summons, works perfect.