I thik that it goes like this:
Z = initially (zero)
inf = info mostly
...as BigMac says, then like this:
and = with what follows
el = this is a short way that Americans have of referring to an elevated railway, which usually runs (I think) in a circle (like London's Circle Line). An American would say 'I'm taking the el to (wherever).'
I think that I've got it right.