What is the significance of the war images such as frigate coursers traverse and chariot that are scattered throughout Emily Dickinson's poem There is No Frigate Like a Book?

coursers.

poetry.

actually these were metaphors to illustrate that book is as diverse and has as much capacity as those things have in actual practice..means a book has the same capacity of taking person to unkown lands as a frigate(warship) have..it is as much broad as these warships are...book can take a pewrson lands away withot the help of such materialistic things..