Question

meaning of not make head or tail of ​

Answer 1

Answer:

Also can't make heads or tails of. Fail to understand, be quite confused about, as in I can't make head or tail of these directions. A version of this term dates back to Roman times, when Cicero wrote Ne caput nec pedes (“neither head nor feet”) to describe confusion.

Answer 2

did not understand, Fail to understand, be quite confused about, as in I can't make head or tail of these directions. 

Hope it helps!