Lotus socket, stereo screw socket, plum blossom terminal, link of amplifier board and cannon output, what do you mean?

Lotus socket, three-dimensional screw socket, plum blossom terminal and amplifier cannon output are all used for wiring.

Lotus socket and Canon female socket are mostly used to connect the input and output of audio signals.

Audio screw socket and plum blossom terminal are mostly used for wiring the output of power amplifier.