lots of spondees gives a heavy, plodding metre, reflecting the efforts and rejection of the speaker
lecturam spera
in full this would be 'spera eamscriptum lecturam esse'- the idea is that the lover should send the letter again and again, until she gives in and reads it
tempore
emphatic position of this word is key to his argument, repetition emphasises this in the next line
iuvenci
bullocks were regularly used for drawing ploughs- end of line for emphasis
equi
delayed helping to complete the paralleism between the two lines
ferreus..anulus
hardestmetal at the time used for rings
assidua
emphatically repeated in the same position in the next line but with a slightly different meaning
saxo durum..mollius unda
chiasmus emphasises the contrast between the hard rock and soft water
dura..molli saxa..aqua
hyperbaton provides a juxtaposition by placing opposites near eachother
tempore
used again for further emphasis, echoes its use in lines 3 and 4
pergama
capital of troy captured after a 10 year siege with the greeks
sero
greeks never gave up so they finally won, ovids view on his love quest