[R-sig-ME] GLMER Syntax Question

[Ubuntu Diego]

I was wondering is someone can explain me the differences between these (random slopes and intercept) models

 model1 <- glmer(output~A+B+C+(A+B+C | F) )

 model2 <- glmer(output~A+B+C+(A | F)+(B | F)+(C | F)

Thanks in advance.