Signified wants percipient because signifier needs referent. signified will get percipient unless percipient is fixed on signifier, this will cause referent to find the symbol.
Energy wants speed-of-light because time-space needs mass. energy will get speed-of-light unless speed-of-light is fixed on time-space, this will cause mass to find the unified theory.

Signified will need referent and percipient to help symbol become signifier.
Energy will need mass and speed-of-light to help unified theory become time-space.

q1r wants q1s because q1e needs q1o. q1r will get q1s unless q1s is fixed on q1e, this will cause q1o to find the q1n.
q1r wants q1s because q1e needs q1o. q1r will get q1s unless q1s is fixed on q1e, this will cause q1o to find the q1n.

q1r will need q1o and q1s to help q1n become q1e.
q1r will need q1o and q1s to help q1n become q1e.