Okay, so I really am trying to find what these SFX means but I can't find it anywhere. I think the second one means ping but what does the first one mean?

Okay so I really am trying to find what these SFX means but I cant find it anywhere I think the second one means ping but what does the first one mean class=
Okay so I really am trying to find what these SFX means but I cant find it anywhere I think the second one means ping but what does the first one mean class=