samtciselse'u lujvo

se2=sk1 is a client [computer programm] served by server [computer program] se1 with service se3 (activity).

Note that the term “server” is used quite broadly in English. For “samtciselse'u”, the x1 and x2 places are only used to refer to the involved computer programs. See also: samtcise'u.

In notes:

se1=sk1 is a server [computer program] serving client(s) [computer program(s)] se2 with service se3 (activity).