what is an interlude?

what is an interlude? a song by RY!UKA on Archodia Music

(introduction) by RY!UKA ,
chasing the end by RY!UKA ,
polarizing by RY!UKA ,
don't care bout' dying by RY!UKA ,
self-destruction as always by RY!UKA ,
who are you now by RY!UKA ,
make this day my last by RY!UKA , 6COV ,
what is an interlude? by RY!UKA ,
memories fade, still need you by RY!UKA ,
pointless living by RY!UKA ,
below my sample by RY!UKA ,
opioids by RY!UKA ,
hold on, before you ruin me by RY!UKA ,
i don't wanna be alone by RY!UKA ,
seal it up, get over it by RY!UKA ,