what is an Eight count?
Salsa rythem is divided to 8 beats. Typically we dance on the 1-2-3 and on the 5-6-7 beats, while the the 4th and 8th counts are breaks. (There are exceptions yet this is the fundemnetal rule).
We speak of variations length in terms of eight beats, it can be one eight count, two eight counts ect..
Se Fue - Special rueda moves are endless and require the Cantante (Rueda leader) to shout Se Fue or a similiar term to end the move.